Saturday, October 5, 2019
Ethos, Logos, Pathos Assignment Example | Topics and Well Written Essays - 250 words
Ethos, Logos, Pathos - Assignment Example In his speech ââ¬Å"I have a dreamâ⬠, he stated firmly that all men were created equal despite other social constructions such as race or color. He swayed and captured his followers by using three devices which include ethos, logos and pathos (Braet, 1992). He represented the ethos quite well in his speech which was his credibility in the speech. Being an African-American, he and other Negroes could undergo various discriminations. He stood firm to change peopleââ¬â¢s views by giving real examples for the people to judge their conditions of sufferings. Braet (1992) asserts that the rhetorical device of logos which refers to reasoning is another style King made excellent use of. In his speech he narrated the history of America and then used this to explain the reason why he gathered people for the speech I have a dream that day as Braet (1992) puts it. By saying that the time to open the door of opportunity to all Godââ¬â¢s children, King uses the style of reason to make a promise that all men black or white is guaranteed the right to life, liberty and happiness. Eventually, was the usage of pathos style which is the heart and emotion of the protest in martinââ¬â¢s speech. King used to go to his audience on the same level as they were on and spoke both his heart and that one of the audience (Braet, 1992). The use of emotion was demonstrated when he spoke of freedom, justice and liberty and the level of his voice and gestures would emphasize this
Friday, October 4, 2019
Tetracycline Antibiotics Essay Example | Topics and Well Written Essays - 250 words
Tetracycline Antibiotics - Essay Example Chlortetracycline was the first compound from this class which was successfully used to treat diseases of bacterial origin. They are one of the most widely used classes of antibiotics today and several thousand of varieties have been synthesized till date (Aleksandrov & Simonson, 2008). Chlortetracycline and Oxytetracycline are obtained from Streptomyces Aure-Facie ns and Streptomyces rumors respectively (Goodman & Gilman, 2001). Other semi synthetic tetracyclines are Tetracycline, Methacycline, Doxycycline, and Minocycline.All tetracyclines are congeners of polycyclic naphthalene carboxamide and chemical substituents and their position determine the type of tetracycline (Goodman & Gilman, 2001). Chemically Tetracyclines are polyketides and comprise of a naphthacene ring structure (Thiele-Bruhn, 2003). They are amphoteric compounds and are relatively stable in acids. They are sparingly water soluble while the solubility of corresponding hydrochlorides is much higher. They strongly ab sorb light and are therefore subject to photodegradation.Tetracyclines are basically bactericidal in action and do so by inhibiting bacterial protein synthesis (Goodman & Gilman, 2001). They do so by binding to the 30 S bacterial ribosome, thereby preventing access of aminoacyl tRNA to the acceptor site on the mRNA-ribosome complex. The active transport system found in the bacterial cells enhances the passage of the tetracyclines into them by the process of passive diffusion through the hydrophilic channels.
Thursday, October 3, 2019
Comparing Political Philosophies Essay Example for Free
Comparing Political Philosophies Essay Social contract or contractarian (use at least two philosophers in your description) Classic liberalism or libertarianism (use at least two philosophers in your description) Marxism (use at least one philosopher in your description) Communitarians (use at least one philosopher in your description) Capabilities approach (use at least one philosopher in your description) Follow your descriptions with a conclusion answering the following questions: How are these theories similar to one another? How are they different from one another? Do you find one philosophy more compelling than the others? If so, why? Contractarianism The social contract or political contract is a theory or model, originating during the Age of Enlightenment, that typically addresses the questions of the origin of society and the legitimacy of the authority of the state over the individual. Social contract arguments typically posit that individuals have consented, either explicitly or tacitly, to surrender some of their freedoms and submit to the authority of the ruler or magistrate (or to the decision of a majority), in exchange for protection of their remaining rights. The question of the relation between natural and legal rights, therefore, is often an aspect of social contract theory. The most important contemporary political social contract theorist is John Rawls, who effectively resurrected social contract theory in the second half of the 20th century, along with David Gauthier, who is primarily a moral contractarian. Marxism Under Marxism, outdated class structures were supposed to be overthrown with force instead of being replaced through patient modification. It held that as capitalism has succeeded feudalism, it too will be removed by a dictatorship of the workers called socialism, followed quickly and inevitably by a classless society which governs itself without a governing class or structure. It was jointly developed in the 19th century by two lifelong German friends living in London Karl Marx and Friedrich Engels and it forms the foundation of communism. Classical Liberalism Classical liberalism is a political philosophy and ideology that emerged as a response to the Industrial Revolution and urbanization in the 19th century in Europe and the United States. It shares a number of beliefs with other belief systems belonging to liberalism, advocating civil liberties and political freedom, limited government, rule of law, and belief in free market. Classical liberals were more suspicious than conservatives of all but the most minimal government and, adopting Thomas Hobbess theory of government, they believed government had been created by individuals to protect themselves from one another. Comparison -Marxism is completely centrally controlled economy in which labor is directed (the government tells you where you will work) and goods and services are rationed based on a bureaucratic determination of need. Liberalism is when the government has an obligation to make sure that people live comfortably regardless of a persons actual contribution to making their own comfort possible. So while they wish to control the financial situation they generally favor a high degree of social freedom. Contractarianism suggests that the central assertion of social contract approaches is that law and political order are not natural, but are instead human creations. The social contract and the political order it creates are simply the means towards an end ââ¬â the benefit of the individuals involved ââ¬â and legitimate only to the extent that they fulfill their part of the agreement. References http://en. wikipedia. org/wiki/Social_contract http://en. wikipedia. org/wiki/Classical_liberalism http://www. businessdictionary. com/definition/Marxism. html Philosophy: The Power of Ideas (8th ed. ) (Moore and Bruder).
Wednesday, October 2, 2019
Scientific Glass Sg Provides Specialized Glassware Finance Essay
Scientific Glass Sg Provides Specialized Glassware Finance Essay Scientific Glass provides specialized glassware for a variety of organizations such as pharmaceutical companies, hospitals, research labs, quality-control sites and testing facilities. As ofà January 2010, there was a substantial increase in their inventory balances which tied up the capital necessary for further investment needed for expansion. The debt-to-capital ratio surpassed the target of 40% preventing the company to use their capital in other areas. In addition, the shipping costs were rising, competitive pressures were accelerating, and certain markets in North America and Europe were becoming saturated which underscored the necessity for capital investment for expanding market opportunities in Latin America and Asia. Moreover, expanding warehousing network increased the inventory levels along with costs, documentation complexities and errors. The company hired a new Manager of Inventory Planning, Ava Beane, to come up with an effective plan to manage SGà ®Ã¢â ¬Ã¢â ¬s inventory without requiring a large capital investment. In order to finance operations in year 2010, SG requires an external funding of $53.8 million (Exhibit1). These expenses would further limit the company to use their existing capital in other areas such as research and development and expanding to international markets. To improve customer service levels, SG had increased the target customer fill rate to 99% and added six more leased ware houses to meet the demand more accurately. This led to an increase in the inventory levels as some warehouse managers kept extra inventory in order to meet the company target fill rate. Good practices Maintained continued sales growth and higher customer satisfaction Produced creative products with lower life cycle costs Focused on durable products, innovative designs and superior customer services Reduced time between ordering and delivering the products to the customers Bad practices Treated inventory management as an afterthought, due to which inventory imbalances were increasing The company exceeded its target debt to capital ratio of 40% Incurred both underage and overage costs High Inventory Problem Due to increasing in customer service level, SG planned to add regional warehouses in many parts US. SG has the main and the largest one in Waltham, MA, which is next to manufacturing plant. SG also has another warehouse that located outside of Phoenix,à Arizona. However, at the end of 2008, SG bought other six warehouses. This means SG has the total 8 warehouses to serve customers. Annual rental and operation costs for Northà American warehouses were 15% of the cost of the warehoused inventory. However, in 2006, before add more 6 warehouses, SG already made investment to expand the warehouse at Waltham in anticipation of continued growth, but after these 6 warehouses had been bought, this warehouse does not work full efficiency of its capacity.à Another problem of warehouse management is company expected to reach high level ofà customer service to 99%, so that warehouse managers keep order inventory ahead before it reach threshold of inventory level to order new one to assur e that they will meet the customer service target level at 99%. This situation causes high inventory levels than required and also high inventory turnover. Moreover, salespeople were allow having its products up to $10,000 worth from ware house and kept them in trunk stock in their homes and cars in order to deliver this inventory on short notice to any customer who was within driving distance. This amount could lead to high finished goods in warehouse and in-transit as shown in exhibit 6. It could lead to missing products in inventory, and lost. Proposed solutions to inventory problem In order to solve the inventory issues, there are actually two main aspects to consider: Number of warehouses and their structure can be changed; Related policies can be changed and of course appropriate ones can be done simultaneously. For changing the number of warehouses, in other words, centralizing or decentralizing warehousing functions, available options are considered as: Centralized warehousing in Waltham: In this option, one central warehouse near to manufacturing facility at Waltham will send all customer orders from one location. Centralize warehousing in Waltham to meet demand in Southeast and Northeast regions using delivery service of Winged Fleet as their rates are cheaper for these two regions. This would allow SG to pool its inventory in order to meet demand. However, the customer response times would increase Decentralized warehousing: In addition to the main warehouse at Waltham, there would be another warehouse at Dallas which would be supplied from Waltham. This would allow demand to be met for all the regions and prevent any stock-outs in a single warehouse. Continuing with 8 warehouses: This option makes no change on the network of the warehouses and all regions will be supplied its warehouse if there is no stock-out occurs. Two centralized warehouses: In this option, addition to the main warehouse at Waltham, there will be an additional warehouse at the west, at Phoenix, and it will be supplied from Waltham. Demand of east region will be met from Waltham, demand of west region will be met from Phoenix and demand of central region will be met from both warehouses, assuming to have equal shares on the central region. Outsourcing the warehousing functions: In this option, all warehousing actions will be outsourced to Global Logistics (GL) and distribution will start from main warehouse at Waltham and then GL will be responsible from rest of the operations. Outsource warehousing to GL to meet demand in the Central, Southwest and Northwest regions because shipping costs for those regions is cheapest with the GL rates. Outsource warehousing to Global Logistics (GL) which will provide a centralized warehousing in Atlanta. Goods will be transported in bulk from Waltham to Atlanta and GL would take responsibility of inventory-control and delivery to the customers. This way SG would not have to bear the warehouse rental charges and could focus on increasing sales and develop newer products to meet customer needs. Changes in inventory policy: In addition to these options, Beane should propose the following actions to Eric Gregory and Melissa Hayes Lower fill rates to the industry-average in order to decrease inventories. Greater enforcement by managers to avoid keeping excess inventories in the warehouses. Have periodic reviews of inventory and control procedures for all stocks in the warehouses. Evaluations of the proposed solutions Evaluation of mentioned alternatives will be conducted from mainly five aspects: Transportation costs, Average inventory levels, Time responsiveness, Fill rates and Additional costs and benefits Transportation Costs: Transportation costs for alternatives are calculated for the two products, namely Griffin and Erlenmeyer, since they are mentioned as the best representative for a total of nearly 3000 products of Scientific Glass. In addition, for each option, demand for the next year calculated considering the 20% increase in sales. When warehouse to customer shipments are considered average shipment weight of 19,5 pound is used and to have an average transportation cost value, these two products costs are averaged according to their relative proportion in sales . It also be mentioned that, inter-warehouse transshipments occur only when stock-out occurs and as the number of warehouses are decreasing, effect of this costs will be diminished; therefore, it is only considered in the option where there are 8 warehouses. For the 1st option, having 8 warehouses and making no change, from Waltham to all other 7 warehouses all items are sent by bulk shipment. Inter-warehouse transshipments are calculated by bulkà shipment rates and they are considered only when a stock-out occurs, therefore fill rate is included in these calculations and average total cost found as $2701, 41 For the 2nd option, when there is only one warehouse, all customer shipments are calculated for rates of Winged Fleet. In this option, average total cost is calculated as $12210, 16. For the 3rd option, when two centralized warehouses considered, it is assumed that Waltham will supply east region, Phoenix will supply will west region and they will equally supply the central region. Average total cost is found as $2332.07. For the last option, when warehousing functions are outsourced, assuming the 5 regions ofà Global Logistics (GL) will have equal amount of demand. Total average cost is calculated as $2276, 83. To conclude, as it is expected, when numbers of warehouses are decreased transportation costs are increased. From the aspect of transportation costs, GL option has the smallest cost amount. Average Inventory Levels: First of all, it must be decided which inventory policy that the company should apply. Begin with the review type; although firm monitors the entire inventory transfers from Waltham warehouse to other warehouses; they think taking physical counts of inventory at all warehouses. Therefore, it is concluded that company uses periodic inventory review policy. Secondly, company did not mention any due date, therefore the inventory plans should consider infinite time horizon. And lastly, though there exists a fixed cost for shipments from warehouses to customers; there is no other fixed cost related to transportation to the warehouses, i.e. no fixed ordering cost. The only order cost is $0.40 per pound bulk shipment cost which is a variable cost with weight. As a result, all analysis can be conducted considering critical ratios and the related fill rate values, which is the only option that is left and also it is considered as the most applicable to the situation. Since some of the simultaneous changes can be done, considering ceteris paribus principle and when fill rate is maintained exactly as 99% for all warehouses, we can calculate the average inventory level that must be kept at warehouses. Weighted-average biweekly inventory levels are found as: 8 warehouses : 98853 2 warehouses : 68034 1 warehouse : 59703 Outsourcing : 59703 When outsourcing option is used, it will be the same for the company in the sense of kept inventory levels for the one-centralized-warehouse option therefore they are assumed to be equal. As number of warehouse decreases, level of inventory decreases as it is expected. This is because, the greater the degree ofà collaboration, the lower the uncertainty (standard deviation of the error or coefficient of variation) ofà the demand model This implies that the money tied up in the inventory decrease sand this extra capital can be used in other areas, like expansion plans to international markets Time Responsiveness: Delivery system of the company compensates 2 weeks of shipment cycles including the stock-out situations. In order to be a market leader, differentiation on this subject is also needed and unfortunately since this is not an exact quantitative scale, only possible situations could be mentioned. For having one centralized, or two centralized or 8 decentralized warehouse options, they all include at most 3 days ready to shipment duration and Winged Fleets delivery time of at most 3 days if there is no stock-out situation and the stock-out probabilities are diminishing with the aggregated demands. On the other hand, GL has 1-day premium shipment in addition to 3-day regular shipments. Considering the highly growing market situation and different segment of products, having different delivery times to different products and also to different customers will make this company focus on the most yielding areas. Therefore, it can be said that working with GL has the advantage of differentiating customers/orders and, since there will be 2 warehouses, stock-out probability and related durations will be less compared to other options. And all of these aspects will increase the time responsiveness of the company. Additional Costs and Benefits: Quantitative issues to related to options of inventory management In order to continue with the current warehouses total of $10M investment is necessary, it is assumed that all of this amount will be equally shared among all warehouses. Since warehouse operating costs will be the %15 of the total warehoused inventory, these costs could be directly compared with the annual average inventory levels that are kept in each option The amount paid to sales forces will not change when the company has 1, 2 or 8 warehouses because it is assumed that as the number of warehouses decreased, number of salesperson per warehouse will increase and total of 32 will not change. On the other hand, when warehousing is outsourced this amount will not be paid Qualitative issues to related to options of inventory management When GL is used for warehousing, SGs senior managers will be able to focus on increasing sales, marketing issues and developing next generation of products. There are some issues that must be mentioned from the proposed policy changes. Stopping the practice of trunk stock could conclude with a decrease in the time responsiveness and therefore it should not be stopped. Also as mentioned in the same proposed policy changes, improving thec ontrolling systems will create a better understanding of the current situation after the warehousing functions changed. Finally, when GL is used, the approach of warehouse managers to keep more than99% fill rate and 60-day-supply will not be a problem, because all of these operating issues will be responsibility of GL. This will help to company not to keep excessive amount of inventory and less tied-up money in the inventory which can be used in other areas. Fill Rate: Companys fill rate policy should also be calculated for the different alternatives. The company replaced the earlier fill rate policy of 93%, which is only marginally better that the industry average fill rate of 92%, with 99%. However, there is no sign that the company is implementing this policy because it is the best approach that must be taken for the company objectives. Moreover, using a fill rate higher than optimal level leads to higher inventories and more money tied up in the inventory. Therefore, company should lower the rates down to optimal levels, if there is no other concern related to market leadership or customer satisfaction. To calculate the optimal levels of fill rates for all four alternatives we should consider cost items which are added to underage and overage costs. However, the sales leadership noted that underage costs are 10% of the gross margin and overage costs are 0.6% of the unit cost of any product. Also it is assumed that unit costs covers all the costs such as warehouse rental and operation costs, cost of capital and inventory write-offs. For the three alternatives other than outsourcing, there is no change in cost items, only the multiplied quantities are changed; but the outsourcing alternative eliminates the 15% warehouse rental and operating costs and 1% inventory write-offs. As a result, overage costs are decreased while underage costs are increased. Resulting optimal fill rates are as follows: 1, 2, or 8 warehouses Outsourcing Reference product 1à 95.4% 96.5% Reference product 2à 94.9% 96.1% These numbers can be interpreted in two different ways: If company is flexible about the determination of fill rate, in other words if it can lower the fill-rates from 99% to optimal levels, outsourcing option pushes the optimal fill rates to higher levels which results in larger inventories and more money to tie up. If the company still insists on keeping fill rate at 99%, the additional costs that must be paid to maintain 99% fill-rate level is lowered in the outsourcing alternative. Consequently, the better policy related to fill rates depend on the attitude of the company. Finally, another policy change about fill-rates can be considered. Rather than using one fill-rate for over all products of the company, different rates for different products can help the company in decreasing inventory costs related to, at least, for some of the products. Conclusion To conclude, since available options are studied from different aspects, it must be mentioned that the company should choose the alternatives and compare the results of evaluations according to their priorities. For instance, evaluation criteria like inventory levels and transportation costs are conflicting on interests. Company can see their situation and make decisions according to priorities. While assessing the weights for factors, it is considered that average inventory level and the transportation costs are the most important costs for the company. Then, the fill rate follows them. Time responsiveness is the next important factor which is followed by additional costs and benefits with equal weights for each. Changes in warehouse management are considered as options other than outsourcing do not provide radical policy changes which could make warehousing management better. These weights and the scores related to our previous investigations yield that the outsourcing the warehousing function to Global Logistics is the best alternative among all. All of investigations and cost studies conducted in this case study are to find the most cost effective option in order to getting closer to the target debt to capital ratio of the company and provide more capital to fund expansion into new international markets while maintaining or even improving the high customer satisfaction level
Hope in Death Be Not Proud :: Death Be Not Proud Essays
Hope in Death Be Not Proud The novel, Death Be Not Proud, by John Gunther, is the story of the struggle of a child to stay alive. Johnny Gunther Jr.'s constant hope got him out of bed every morning with a positive attitude. His outright opposition to the fact that he was going to die and his determination not to, kept a fiery spirit in him so that he didn't give up. Johnny's stubborn determination to not accept defeat at so early an age, along with the tremendous courage he showed when realizing that he must accept his defeat, is a strong point portrayed in this novel. Johnny's hope, determination, and courage kept his death at bay. One of the main reasons that Johnny remained alive for so much longer than he should have lived, was the hope that he possessed. He hoped every day of his illness that he would get better, that his parents would be spared their grief, or that some doctor would come up with a revolutionary idea that would heal him. Because of his hope, Johnny never complained or protested during the entire course of his illness. He always obeyed the doctors' wishes and followed their instructions to a "T" because he wanted so desparatly to get well. Although he realized that eventually his life would end, he still never gave up the hope that perhaps he could outsmart his fate to die, if just to steal a few extra hours. Each day, until his last, the determination Johnny had to get well, live a normal life, and even maintain his schoolwork was phenominal. After being away from school for sixteen months, being tested constantly by doctors, and having a rapidly deteriorationg brain, Johnny still managed to graduate with his class and be accepted into Harvard. Throughout his illness, Johnny always had an unwavering will to survive, to awake the next morning and find that he was well, that he had only been dreaming the nightmare of his illness. When Johnny awoke each morning however, he felt the bandage on his head and realized that he was living this horrific nightmare. But even th rough this tremendous disappointment, Johnny kept fighting, determined to recuperate. Johnny should be admired for not giving up under the intense emotional burden of knowing that each breath may be his last. Johnny's story is one that will be remembered because of the courage he had.
Tuesday, October 1, 2019
Developmental Growths Of Oled Technology Engineering Essay
The importance of electronic shows has late increased due to the advanced developments of LED or light breathing rectifying tube engineering. These developments have brought LED engineering to its following degree by affecting a series of organic thin movies between two music directors, which are known as Organic light-emitting diode or ( organic visible radiation breathing rectifying tube ) . OLEDs can be used to do high efficiency shows and dynamic lighting. Due to the visible radiation emitted from the OLEDs, they do non necessitate a backlight and so are thinner and more efficient than LCD shows which presently require a white backlight. The chances of OLED engineering are great but non without its hurdlings. Presently, it costs more to bring forth OLEDs them modern LCD engineering. Similarly, their overall life clip is reasonably limited, these and other issues urgently need to be addressed to properly implement them in the consumer market.IntroductionIn the mid-20th century res earch workers at the Universit & A ; eacute ; de Nancy in France foremost produced electroluminescence with organic stuffs. These research workers developed setup that would direct excitement of the dye molecules or excitement of negatrons [ Bernius, M ] . These electroluminescent cells were developed utilizing acridine orange and mepacrine with a high electromotive force of jumping current. After their success many stuffs were studied and experimented in assorted establishments to detect a stuff that would supply a high quality visible radiation end product. It was discovered that certain plastics could be altered into conductive stuffs. This find helped the apprehension of conductive stuffs and their belongingss. These finds revolutionized the attack to digital engineering by showing a cheaper and more flexible option to expensive semiconducting materials of the clip. In 1985 the Eastman Kodak Company developed a bilayer device based on vapour deposited molecular movies that used a hole conveyance bed with a bed electroluminescence. This find was done by accident while they were experimenting with solar cells and noticed a glowing stuff that was subsequently patented and was the start of OLED engineering [ Tang, C. W. ] . This new rectifying tube showed the potency of a device that would hold improved efficiency with less power to run. Modern OLED devices are able to breathe visible radiation on their ain, unlike LCD devices that are dependent on backlight beginning to make light. Light is emitted from the smaller OLED pels with aid of a really thin organic movie bed. This bed of organic stuff is placed between two music directors, which are besides between a glass top home base and a glass underside home base kwon as the substrate. When an electric Current is applied to the two music directors, a bright, electro luminescent visible radiation is produced from the organic stuff. OLED engineering is really dynamic when it comes to light that can breathe from really little luminescent to a really high degree measured in little increases. With the add-on of colour movies, OLEDs can use the basic colour specifying pigments ruddy, green and bluish to make any coveted colour or shadiness including white [ So, Franky ] . Unfortunately, these rectifying tubes are still expensive to bring forth. Newly developing engineerings such as intercrossed light-emitting bed that consists of non-conductive polymers doped with light-emitting conductive polymers offer both mechanical and production advantages that could assist work out the disbursal of these rectifying tubes [ So, Franky ] . More research is required to develop a higher quality production of OLEDs, fortuitously with the degree of advancement already achieved with OLEDs ; it will merely be a affair of clip.BodyAt this clip OLED engineering is the taking following coevals engineering for level panel shows. OLED devices will dwell of full colour visible radiation breathing engineering, which provide high brightness, low power ingestion and great contrast. Furthermore, they are compact, lightweight, can defy important mechanical tonss have have a broad scope of operating temperatures [ Wen, S.-W. , M.-T ] . The possible for these show devices is rather big. Their application from cell phones, auto wireless to the helmet mounted index shows on the windscreen of vehicles and illuming can greatly better assorted developing engineerings. The development of phosphorescent stuffs like OLED, can be non merely use to expose devices, but besides as a thin movie light beginning that may replace legion incandescent big and expensive non organic LED beginnings. OLEDs produce light by the recombination of negatrons and holes. When a electromotive force is applied across the device, negatrons are injected from cathode and holes are injected from anode. Transport and radiative recombination of electron-hole braces is at the emissive polymer beds [ M & A ; uuml ; llen, K. , ] . As the negatrons bead into the holes, they release energy in the signifier of visible radiation. The colour of the visible radiation emitted depends on the composing of the organic emissive bed. Multiple beds can be combined in one device to bring forth any colour including white.Material efficienciesThe chief demands for OLED stuffs are high luminescence in the solid province, good bearer mobility, good thermal and oxidative stableness and good colour pureness [ Wen, S.-W. , M.-T ] . The ià ¬?rst coevals of efià ¬?cient OLEDS developed from Eastman Kodak was based on ià ¬Ã¢â¬Å¡uorescent stuffs. In this instance, the emanation of visible radiation is the consequence of the recombination of vest excitons or nomadic concentration of energy in a crystal. However, the internal efià ¬?ciency is limited to 25 % [ M & A ; uuml ; llen, K. , ] . The 2nd coevals uses phosphorescent stuffs where all excitons emit through an efià ¬?ciently four times more than ià ¬Ã¢â¬Å¡uorescent stuffs. The presence of heavy atoms such as Ir or Pt additions spin-orbit yoke, favours intersystem traversing and allows radiative three passages. Baldo et Al. 30 were the ià ¬?rst to describe the usage of green phosphorescent dye to increase the device efià ¬?ciency. Highly efià ¬?cient viridity and ruddy electro phosphorescent emitters have been demonstrated with internal quantum efià ¬?ciencies nearing 100 % . 31,32 The highest aglow efià ¬?ciency of 70 lumen W?1 reported up to now was obtained by Ikai et Al. 33 utilizing tris ( 2-phenylpyridine ) Ir ( III ) ( Ir ( ppy ) 3 ) phosphorescent dye in an improved device construction. Phosphorescent stuffs have besides been used in polymer engineering ( wet procedure ) . 34 The stuffs used for OLEDs are formless or semi-crystalline ià ¬?lms. For SM-OLED, typical p-type stuffs are derived functions of triarylamines, and n-type stuffs consist of derived functions of metal chelates such as tris ( 8-hydroxyquinolato ) aluminum ( III ) ( Alq3 ) , triazoles or oxadiazoles. The efià ¬?ciency is improved by doping the breathing bed with assorted organic dyes as shown in Table 1. By and large the doping rate is about 1-2 wt % and this solution has been widely used to tune the coloring material and to better the device life-time. It has been demonstrated that by doping the host Alq3 with assorted guest molecules such as coumarin 540 ( C540 ) , 2,4-bis ( dicyanomethylene ) ââ¬â 6- ( p-dimethylaminostyryl ) -4H-pyran ( DCM1 ) or [ 2-methyl-6- [ 2- ( 2,3,6,7-tetrahydro-1H,5H-benzo [ ij ] quinolizin-9-yl ) ethenyl ] -4H-pyran-4-ylidene ] propanedinitrile ( DCM2 ) , the electroluminescence efià ¬?-ciency can be improved by a factor of two at least. 7 Furthermore, by utilizing these dopants, a broad scope of colorss from greenish-blue to orangish-red can be obtained.StabilityDevice stableness is an of import issue for an emissive engineering such as OLEDs, and peculiarly differential ripening of the three primary colourss. D espite the absence of any standardised measuring method, the device life-time is normally deià ¬?ned as the average clip to half-brightness. It is by and large assumed that for show applications, except likely for portable electronics, a life-time of over 20 000 H with a sensible brightness degree of at least 100 cadmium m?2 is necessary. However, as discussed subsequently in this paper, to accomplish such a degree of show brightness, the luminosity of each pel needs to be much higher, and it has been widely shown that the life-time of OLEDs beads dramatically for high luminosity values. Degradation phenomena occur both under operating conditions and while the device is in storage, and consequence in a lessening in device luminosity and an addition of the on the job electromotive force over clip for a changeless current denseness value. Three distinguishable debasement mechanisms have been identiià ¬?ed in small-molecule-based OLEDs: 46 dark-spot debasement, ruinous failure and in trinsic debasement. While the ià ¬?rst two debasement manners can be moderately solved by agencies of equal control over the device fiction conditions ( clean room, glove-box, encapsulation ) , the intrinsic debasement mechanism is more ambitious and still remains an issue for OLED engineering and peculiarly for the bluish colour. Signiià ¬?cant activity is taking topographic point in order to better device life-time by utilizing new stuffs that are immune to oxidization and by developing efià ¬?cient encapsulation procedures. High glass passage temperature ( Tg ) stuffs are desired in order to acquire stable devices under operation. Lifetimes now reported in the literature for the most advanced ià ¬?rst coevals RGB stuffs ( ià ¬Ã¢â¬Å¡uorescent SM stuffs and polymers ) are good over 20 000 H at room temperature and at least for luminosity up to 100 cadmium m?2. Nevertheless, the bluish life-time remains weaker ( peculiarly for polymer stuffs ) which could do a ruddy displaceme nt of the show due to differential ripening of RGB colourss. Typical life-time values are shown in Table 2 for the 2nd coevals of stuffs. 47 Efià ¬?cient and stable bluish phosphorescent stuffs are non yet available and remain a challenge for the chemist. One has to maintain in head that the life-time drops dramatically with increasing temperature, and most of the paradigms developed so far have a life-time of 6000-8000 H at room temperature, which is non high plenty for more demanding applications such as telecasting or computing machine shows. In contrast to other show engineerings, OLED shows can be fabricated on ià ¬Ã¢â¬Å¡exible substrates but so far such ià ¬Ã¢â¬Å¡exible devices have non reached the market owing chiefly to their limited life-time. Effective encapsulation ( both on the underside and top side of the device ) of ià ¬Ã¢â¬Å¡exible OLED shows is still an industrial challenge. A reappraisal of thin-ià ¬?lm pervasion barrier engineering for ià ¬Ã¢â¬Å¡exible O LEDs has been published late. 48Future TendenciesOLED engineering is the following large thing. It is a new engineering used to make thin, efficient and bright shows and illuming panels. OLED shows have many advantages over LCDs every bit good more colourss, increased brightness and contrast ratio, faster response clip for full gesture picture and less power ingestion. OLEDs devices are highly efficient between 95 ââ¬â 99 % of the input energy converted to visible radiation. Since the beds that make up the OLED are really thin, photons are non trapped within the active part, as can be the instance with LCD devices. The contrast ratio is an country where OLED show trumps plasma show though, since it offers blacker inkinesss and brighter Whites. The contrast ratios for plasma shows are around the 5,000:1 grade whereas for OLED shows this figure runs up to 1,000,000:1 [ Merson, Gary ] . Both displays employ pels that are emissive in nature and make visible radiation instead than ba rricade the visible radiation from an external beginning. This blocking of light creates a great egress experience with broad position capablenesss. One possible hereafter vision for OLED engineering is the usage on transparent Windowss. These devices would work like a regular window by twenty-four hours. At dark it could be switched on and go a light beginning or an internal pilotage system. This could be possible because OLED allows transparent shows and light beginnings. The current province of OLED engineering is really exciting since the many old ages of its development is eventually demoing really originative results. Thin movie shows and luminescent lighting applications have greatly progressed with OLED structured developing engineerings. The chances of OLED engineering are great but non without its hurdlings.DecisionOLED is an emerging new engineering for thin panel shows and luminescents. It can be used for mp3 participants, cell phones, digital cameras or handheld gambling devices. The field of applications for OLED shows is wide. Compared to LCD and plasma OLED is a better engineering in all facets. OLED show features develop perfect black, sing angles, highly fast response clip, true colour deepness, highly slender frame with low power ingestion. The lone downside of the OLED engineering is the monetary value and its life-time. Currently, OLED shows are merely come ining the market so their production costs and monetary values are really hi gh. Plasma and LCD shows have been around for many old ages, so they are much cheaper. This factor along with the long life of Plasma shows gives them the border in the current market, but OLED engineering is a developing engineering. As the engineering progresses the monetary values of these shows will diminish and their popularity will increase therefore they will slowly push plasma shows off the market. This engineering has great possible and has a really broad scope of applications. It has important cost advantage compared with the production engineering of liquid crystal matrices. These devices are much less rich in stuffs ; they require a significantly smaller figure of fabricating operations. Though OLED engineering is still being developed, assorted signifiers are already on the market such as Super AMOLED shows, in the close hereafter we will see more advanced presentations of this developing engineering and its benefits every bit shortly as the hurdlings are overcome.
Software Engineering – Payroll System
Introduction Information System is processing of information received and transmitted to produce an efficient and effective process. One of the most typical information systems is the Transaction Processing System. Transaction Processing System collects, stores, modifies, and retrieves the transactions of a certain organization. The process of retrieving, modifying and transmitting data to be stored using information system is referred to as transaction. Transactions occur is known to be a part of records. All of these records were originally kept in paper. When a certain organization uses a certain transaction processing system, retrieving and transmitting of information will be available at anytime needed. The number and volume of transactions can be calculated for a given time period. Payroll System is complete Payrollà softwareà right from Employees Personal Information, Pay Structure, Loans, Reimbursement, Pay Slip Generation & Printing, Salary Register, P. F. , E. S. I. , Profession Tax, Income Tax, and L. I. C. Reports etc. Added to the above reports, standard formats for annual submissions of PF, E. S. I. , and P. T. are also generated automatically. Thisà softwareà can be used by Industrial units, Distribution Agencies, Departmental Stores, Consultants, Business Houses and Contractors Etc. The developers of theà packageà follow a predefined pattern so that the user has the ease of use and can utilize theà packageà to its fullest extent. Care has been taken so that theà softwareà is as much user friendly as possible and any suggestions on improvements in this regard are welcome. The use of thisà packageà is a must forà personnelà departments in various Industrial houses since it will help in reducing monotonous manual labour and produce accurate results for salary and related calculations. Payroll System with Time keeping and Fingerprint refers to the records ââ¬â paper or electronic ââ¬â and calculations that you make to work out your employees' pay and deductions under the PAYE (Pay As You Earn) system. It's essential to a business or company that you pay your employees the right amount and on time ââ¬â and that you make the correct deductions. So keeping accurate payroll records is really important. Now a day, Manual System is replaced into more advance and modern technology, just like the Manual Payroll System where the accountant, computes or process employees salaries through calculator. The way of saving files and important documents are only filed in filing cabinets that may cause loss of files when large amount of data are being received. In addition, it is not secured. And in fact, most accountant, uses same software of Microsoft office especially MS Excel. And with the use of this proposed system, a new and more advance Payroll System may be produced which can provide data security, prevent loss of data and redundancy and easier to access, accurate and faster to use. ABSTRACT Project Objectives The Software engineering course that we took this semester placed emphasis on the paradigm of extreme Programming (XP) techniques. Extreme programming is a programming technique that bases its values on simplicity, communication, feedback and courage. It encourages team work and constant communication with the client. The objective of this project is to put into practice the teachings that we have learnt about XP. Approach When we were first given this project, we met to determine how we were to carry out the task assigned to us. We drew up a time-line, discussed about the programming language to use to carry out the task, how the GUI would look like and also to make sure that we understood what was assigned to us. We finally settled for Visual Basic (VB) as our programming language. We got more information on what we were to do and set about completing our task, making use of the new ideas taught in class, and especially spikes. Achievement Our task was to develop a payroll system that would keep a record of employee data including their pension plan, union membership status, and taxes and also to be able to calculate the pay of the employees taking into consideration employee data. We have been able to achieve these task. The software we developed calculates the employee net pay from the deductions. The pay slip can be printed out as a receipt. Most of the bugs that we found and those that the clients and beta users found have been corrected. Any new bugs found will also be corrected and the software will be updated and released. Because we used object-oriented principles, modifying the software to fix bugs or add a new feature has been relatively easy. The Company name We believe that consistent quality results can be achieved only if the organization is ââ¬Å"processâ⬠driven. Therefore, we have designed a standard process which needs to be followed by our development group for each project/product. A process audit is carried out by the quality department, and any deviations from the standard process are reported. We keep enhancing our process depending upon the suggestions of our defect prevention board, and the Following is the snapshot of our standard software development process: Related Document| COMPANY NAME Software Development Life Cycle| Requirement Specifications| Step 1: Requirement Analysis:à This is perhaps the most important step in the entire cycle. If the requirements are understood well and documented clearly, then the implementation becomes much smoother and less amount of re-work is required in the software. Functional Specifications| Step 2: Functional Documentation: After the requirements are known, we make ââ¬Å"Functional Specificationsâ⬠which mainly consists of specifications of the user interface and the reports. These are given to the client, to give him the knowledge of how the system would function to meet his requirements. The comments of the client are addressed and then this document forms the basis of Software Design. | Design Specifications| Step 3: S oftware Design: Once the functionality is frozen, the software is then designed to implement the same. A design specifications document is created which describes the overall software architecture and the components included in the same. The Design Specification also divides the system into smaller components (modules) which we can be treated as individual units. | Program Specifications| Step 4: Module Specifications: After the Design is finalized, program specifications are prepared for each independent unit identified in the Design. The development of modules is carried out on basis of these program specifications. | à | Step 5: Unit Development: Each module is developed on the basis of program specifications. The software developed is reviewed by peer as well as by SQA. | Unit Test Plan| Step 6: Unit Testing Each unit developed is then tested independently. Stubs are used wherever there is integration required with other units. The unit is first tested by the developer, and then an Independent unit testing is carried out to flush out unit level errors. | à | Step 7: System Integration Once all the units are developed, the system is then integrated together by the integration team. | System Test Plan| Step 8: Integration Testing This is the last step before the software is released to the user. The integrated system is tested on basis of system integration test plan to see whether it meets all the requirements of the system. The integration testing is first carried out by development group and then carried out by the SQA. The system is released only when it gets satisfactory quality rating by the SQA. | UAT plan| Step 9: User Acceptance Test Once the software is released, a user acceptance test is carried out in the production environment. The system is put into production when the user is satisfied with the results of user acceptance test. | Payroll Systemà Our Payroll System is specific to Philippine setting. It has a fully integrated attendance leave credit monitoring, benefits & compensation management. It has an open-ended employee number capacity. It is ready for integration with any timekeeping device(s) or software. Its robust database capability can process large records with ease. TimeKeeping and Fingerprint Systemà à The Timekeeping System works as the Bundy-clock component of the payroll system. The list of employees is imported from the payroll software. There is no need for an employee list encoding! The package includes a biometric Finger Print Recognition Device. The initial list of mployees is imported from the payroll software. It is just a simple ââ¬Å"clickâ⬠on the interface button. * Simple Interface with Photo Display upon Finger Print Recognition. * Intelligent Finger Print In & Out Recognition, right on the spot for real-time verification of employees. * Fully Supported and Seamless Inter ââ¬â connectivity with the PayrollPro. * Customized reports and fine-tuning is guaranteed for specific attendance-related company-policies. Statement of the Problemà In any company, it is very important to monitor the employeeââ¬â¢s attendance or time for accurate payroll and discipline. Some companies and schools are using manual punch card to record the employeeââ¬â¢s attendance while others are still using logbook. Traditionally, such information would be gathered on a site by site basis and transmitted by either manual or electronic means, to a central point where payroll would then be processed and other reports prepared. Oftentimes, the information was outdated by the time it arrived, delaying payroll preparation and requiring numerous employees to complete just that one task. Based on observation, Universidad de Manila is currently using the punch card machine and log book for time and attendance data tracking. But these systems are inaccurate and are less secured. These also have the following time keeping problems: 1. Lost card/ logbook ââ¬â Misplacement by the time keeper. ââ¬â Pages of logbook are crumpled and torn apart. 2. Buddy punching -Proxy attendance for others 3. Manual encoding of attendance to payroll programs and other frauds. | General Problem: i. How to develop an upgrade payroll system that can help the employeeââ¬â¢s to lessen their effort and consuming of time when they using it? Specific Problem: i. What are the Benefits of Payroll System? An automated payroll system helps the company to manage its payroll processes more effectively. As an organization expands, the operations can be more challenging. The company hires new employees, promotes current ones to new positions, and terminates others. It's hard for a payroll employee or department to keep track of all these changes by hand. An automated payroll system solves these problems because it captures and stores new hire information and processes payroll quickly and accurately especially we will upgrade their current system to a new one which is much easier to access data. ii. How the Fingerprints help the employees to lessen the time they consume before? Well Fingerprints help solve mysteries and crimes and such is because a fingerprint is unique because youââ¬â¢re the only one who has that pattern such as cuts, curves, and swirls. But now we will use Fingerprint as Time in and Time out to lessen the waste of time of an employee. They just need to touch the biometric and that is so easy than the previous system they use. Current State of Technology In a company, payroll is the sum of all financial records of salaries for an employee, wages, bonuses and deductions. In accounting, payroll refers to the amount paid to employees for working for a period of time. Payroll is crucial because payroll and payroll taxes considerably affect the net income of most companies and they are subject to laws and regulations. The primary mission of the payroll department is to ensure that all employees are paid accurately and timely with the correct allowances and deductions, and to ensure the allowances and deductions are paid in a timely manner. This includes salary payments, tax withholdings, and deductions. Pens and big notebook are usually used in logbook system. Employees will simply write down their names, time they log-in and signatures as their attendance. When the time of work is done or employees had to leave from their work because of an emergency, they will just write the time-out for completing their attendance for the day. While in punch card machine, the employees simply insert the time card or punch card into a slot on the Bundy clock. When the time card hit a contact at the rear of the slot of the clock, the machine could print day and time information on the card. Using this, employees can easily do the proxy attendance for others. Especially when you will need to calculate manually the taxes, insurance and any other applicable deductions and allowances in addition to each employee's actual earnings. The advantage of using their manual system is that it is very inexpensive, with virtually no start-up costs and the disadvantage of it is that whatever you save on start-up costs will probably be eaten up by the amount of time it takes to process payroll. In addition, it's very easy to make mistakes when processing payroll manually, and the penalty for mistakes, especially mistakes in taxing, can be very costly. Project Rational The study focuses on the Automated Payroll System that will help the company to have an accurate system that will lessen the waste of time when they use this system. This study will be the one source to improve the Technical knowledge in system in software engineering. This study will be a great foot step to practicing their ability in making an automated system and to their knowledge in programming. The computerized payroll software systems save time and money, they're very easy to use and they're also very practical. Especially for the employee, Computerized payroll systems are much faster and easier compared to the manual processing also quick and accurate it will be easy for Time In and Time Out and also it lessen the work load of the Accountant specifically when preparing the summary of their report and the computation of monthly deduction and net salary. General Objective Specific Objective: An objective of our proposed system is to develop a system that will eliminate the problem of insufficient and incomplete information. This proposed system will contain a different flow in calculating the salary, eduction and etc. that will eliminate the error. and also we provide a fingerprint to make a sufficient process when making a Login and Logout. To develop a payroll system that has a fingerprint technology we provide a fingerprint to make a sufficient process when making a Time in and Time out and it will be much faster and less of time for the employee and to the accountant. She donââ¬â¢t nee d to encode it in a spreadsheet because, itââ¬â¢s connected to the payroll so it become easy for the accountant. Computerized Payroll System File Maintenance The system provides the following: Employee File The employee file program is used to add, change view or delete employeesââ¬â¢ data. Position Deduction File This program is used to maintain employee deduction records. Note: only employees who have adjustments, misc. earnings, or misc. deductions should have a deduction record. Deduction records that do not have a corresponding employee record will be automatically purged by the calculate payroll pre-processing program. Scope and Limitation After several interviews and observations, the researchers have come to identify how the payroll works. The aim of the research is to provide a specific COMPANY, a computerized payroll system. The proposed system will guide the employer through all the stages of the process. SCOPE Theà Systemà is designed for the enhancement or development of Computerized Payroll System for COMPANY. It includes the features that can Add Employees record, Edit Employees information, Delete Employees record, print / Save the Pay Slip of each employee and Updating Employees information as well as the Weekly Salary, Cash advance, the rate per day, overtime, Gross payment, Net pay, and Deduction such as withholding tax and SSS, adding up with a log-in log-out process for security purpose. Moreover, with help file can be used by the users to know how to use the payroll software. Special Features Time Card Entry (Daily Entry or Summary Entry per Payroll Period) Automated computation of withholding tax * (weekly/ semi / monthly/ year-end) * Automatic computation of SSS/ PhilHealth and PagIbig Premiums * Infinite slots for user definable other income and deductions * Loan handling module for SSS, PagIbig and your very own company vales which effectively keeps track of each balances * Printing of Pay Slips and Payroll Register Report generation for SSS, PhilHealth, PagIbig ; withholding tax (monthly ; quarterly reports) * Automatic year-end recap of withholding LIMITATIONS On the other hand, this study limits only to the proposed enhancement Computerized Payroll System of the COMPANY. A proposed system which can only be access by authorized person. It does not support network topology implementation, online program or online transaction.
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