Software Development Waterfall Model

Software Development Waterfall Model For any project gathering the requirements is the basic and key step which defines what the project is supposed to do. Requirements give the information on which the system design is based. If the requirements gathered are incorrect or incomplete this will lead to the failure of the project. Requirements deficiencies may occur due to many reasons, difficulty in prioritizing, natural conflicts of interest. While gathering the requirements for a project we need to estimate the cost of the project, scope of the project, reliability, etc. The law states that the incomplete or wrong definition of requirements is the major cause for the project failure. EXAMPLE: A software company, Virtusa released software for its client Phase Forward but within few days the software didnt worked as per the requirement of the clients and the software had to undergo inspection, the result was the failure in providing the complete requirements by the client. At last the software was a failure due to requirements deficiencies. Boehms first law Errors are most frequent during the requirements and design activities and are the more expensive the later they are removed. There are many errors in requirements definition stage and design stage; errors in design stage are less serious than in requirements stage. The developer of the project should know the exact purpose of the project and identify the errors in the earlier stage of the project development otherwise the removing these errors in later stage would be costly as the time of the project increase the expenses of the people based the project increases. And it takes the team to more time to remove these errors later on. EXAMPLE: Mentor Graphics Company released a software application with over 300 bugs in it. The expected deadline for the software was almost impossible to achieve with all the bugs in it. The company had to hire more software engineers to remove the errors from the software which increased the cost of the project which was much higher than estimated. Boehms second law Prototyping (significantly) reduces requirement and design errors, especially for user interfaces. Prototyping helps the user to see how the completed project would appear. Prototyping of a project helps identify and reduce the errors in the project. Prototyping also reduces the gap between description and implementation. Prototyping of the project helps to keep a better understanding between the development team and the client. Depending upon the user requirements and the changes to the projects different prototype can be built. Example: Prototyping of software helps the client and the developers how the product is being developed where the client can add more requirements if necessary, by this way there will be very few errors at the end of release. For example, an online banking system software require prototyping where the requirements cannot be specified at a time and the requirements change is frequent. Davis law The value of a model depends on the view taken, but none is best for all purposes. A model is used to represent a system. A model can be viewed for different aspects such as data, process, state transition, structure and behaviour. The importance of the model is the way it is viewed. Model are used for checking the consistency but not executed. A model can answers many questions that a actual project would face in the real world. Example: Ford motors create a real life size model of it vehicles out of clay to observe the look and feel it gives. It also helps the engineers to collect the data about the aerodynamics of the car and the changes can be made by observing the model before building a real one. Your first task is to describe each software development methodology clearly and completely in your own words. You may use diagrams, examples or UML to help you do this. Waterfall Model: Waterfall model is the classic life cycle tool for the software engineers. The waterfall model demands a systematic sequential approach to the software development that start at the system analysis level and passes through analysis, design, coding, testing and maintenance. The waterfall model goes through the following activities: System engineering and analysis. Software requirements analysis. Design. Coding. Testing. Maintenance. Analysis System engineering Design Code Testing Maintenance In the waterfall model we need to go through one phase to another phase when the requirements of one phase are met. For example if the requirements of the design phase are complete then we move to coding phase, if the requirements in this phase are not complete then we will be stuck in coding phase until the requirements of this phase are met. There are advantages and disadvantages in the waterfall model. Real time projects rarely follow the sequential flow of the waterfall model as it is difficult for the customer to give all the requirements at a time. Waterfall model is only suitable for projects in which the requirements are specified explicitly. Agile Methodology: Using an agile methodology the project is break down into small sections or tasks. Each task is done in one week to four weeks. Each task undergoes the complete development cycle i.e requirement analysis, designing, coding and testing. After each task is completed a working prototype is shown to the client, the client may then have some more requirements which they did not mention in the beginning to be added to the project which can be added in the next iteration. In this way there will be very less bugs when the software is released at the end. An agile team consists of 5-9 persons, where the persons are software developers, testers, etc.. . By having a small team it is easy for the team to communicate with each other. An agile team prefer to meet the client face to face rather than by having requirements on paper when the team and client are in same location or by video conferring when the client is overseas. The main aim of an agile methodology is to develop the product with less errors and complete functionality with a given time. Using the first four laws of the text, show where these are either implemented or missing in each software development methodology (Total Two). If a law is missing, explain the consequences and suggest how the process might be improved. Waterfall model with Glass Law Requirement deficiencies are the prime source of project failures. According to glass law insufficient requirements is the major cause for project failures. So according to glass law the requirements for a project should be clearly defined so that the project is done successfully. In a waterfall model each phase should be completely satisfy the needs of that phase so as to go to next phase. Therefore in the requirement analysis phase in waterfall model should be completely fulfilled so the glass law is applicable in waterfall model. Waterfall model with Boehms First Law Errors are most frequent during the requirements and design activities and are the more expensive the later they are removed. According to Boehms first law identifying the errors in the later stage of the project is more costly to remove them. So the errors should be identified in the earlier stage of the project. Boehms first law is applicable in waterfall model as in the waterfall model is more reliable and the final product of the project is good. In waterfall model we go from one phase to another so to correct the errors we need to come back and start from the beginning which would become more costly in doing it. Waterfall model with Boehms Second Law Prototyping (significantly) reduces requirement and design errors, especially for user interfaces. Boehms second law states that prototyping the project reduces the requirement and design errors. So the project should have a prototype and a good user interface which helps us to reduce the requirement and design errors. In the Waterfall model prototypes should be considered when we are defining the requirements so that we can use these prototypes to identify the errors in the earlier stage. Waterfall model with Davis Law The value of a model depends on the view taken, but none is best for all purposes. According to the Davis law the value of a model only can be determined by the view taken, but none of the view can satisfy all the purposes of the project. So there is no model which can satisfy all the purpose in one view so waterfall model is cannot be implemented using the Davis law. Agile methodology with Glass Law Requirement deficiencies are the prime source of project failures According to the Glass law insufficient requirements is the major cause for the failure of the projects. In the Agile methodology the requirements are defined in the earlier stage and can be defined whenever they are required so there is no issue of insufficient requirements in the Agile methodology therefore the Agile methodology can be implemented using the glass law. Agile methodology with Boehms First Law Errors are most frequent during the requirements and design activities and are the more expensive the later they are removed According to Boehms first law removing the errors in the later stage of the project is more expensive then to identify them in the earlier stage and remove them. In the Agile methodology the errors can be identified when they occur and can be removed as they occur, so there will not be any errors later. But if they occur it would be costly to remove them later. Therefore Boehms first law is applicable with the spiral model. Agile methodology with Boehms Second Law Prototyping (significantly) reduces requirement and design errors, especially for user interfaces. According to the Boehms second law prototyping of the project reduces the errors. In Agile methodology we develop prototypes for each and every task as the project develops so as to reduce the errors. Therefore, Boehms second law in applicable for Agile methodology. Agile methodology with Davis Law The value of a model depends on the view taken, but none is best for all purposes According to the Davis law the value of the project depends on the view taken, but none of the views can be best suited for all purposes. Different views of the project satisfy the different purposes of the project. Therefore Agile methodology or any model is not applicable with the Davis law. For each software development methodology, give an example of a project which it would be well suited for and one which it would be inappropriate for (Total Two projects for each software development methodology). Waterfall Model Waterfall model is well suitable for large projects which are expensive, and where the project requirements are defined completely and the requirement does not change as the product is being developed. For example, A project of creating a payroll application, which does not have much requirements to be changed is well suitable to build with waterfall model. Examples where this model does not suit Waterfall model is not suitable for projects in which the requirements are not clearly defined and the requirements change during the later stages of the project. For example, the waterfall model is not suitable for projects such as a Antivirus software in which the requirements change is very frequent. Agile Methodology Examples where this model suits Agile methodology is suitable for projects which have low risk factor, small teams and the projects where the requirements often change. For example, the projects to create a antivirus software where the requirements change is very frequent. Examples where this model does not suit Agile methodology is not suitable projects which have high risk factor, needs more developers and where the resources are used more.

Tour Operator Management Essay

Introduction: A tour operator typically combines tour and travel components to create a holiday. They prepare itinerary. The most common example of a tour operator’s product would be a flight on a charter airline plus a transfer from the airport to a hotel and the services of a local representative, all for one price. Niche tour operators may specialise in destinations, e.g. Italy, activities and experiences, e.g. skiing, or a combination thereof. The original raison d’etre of tour operating was the difficulty of making arrangements in far-flung places, with problems of language, currency and communication. The advent of the internet has led to a rapid increase in self-packaging of holidays. Task 1. Understand the tour operator industry A tour operator combines tour and travel components to create a holiday, it designs travel routes for tourists and offer perfect arrangements of the airlines and hotels. In a word, a tour operator offers package holidays. A travel agent is a kind of retail business which is a buyer of tour operator, it sells travel-related products and services to customers on behalf of tour operators, airlines, hotels and other entities. Some tour operators own the distribution channel, they set up retail shops selling products and services directly to the final customers, or they establish close relationships with travel agencies under contracts. The development of the industry should be attributed to the development of transportation in the early age. With the invention of aircraft, the demand for travel increased rapidly. But in recent years, situations become more complex than ever before in such a changeable economic climate, UK’s tour operator industry are fluctuated in growth. The pack age holiday market continued to decline but specialist holidays, cruise tours and flight-only bookings all grew significantly. Company failure level rose substantially from 33 in the previous year to 47 this year. The industry structure changed a lot: independent agents turned to favour dynamic packaging with concentration on niche markets including long-haul, cruising, UK holidays and self-packaging. Big operators drove bookings online and through their own retail networks. 2006 is one of the  most challenging years in the industry’s history, with traditional business model under great pressure and uncertain future for many others. Tour operators judge overall demand and the expected demand for each destination and seek to satisfy that demand if it can be accomplished profitably. Tour operators assemble the component parts of holidays. Tour operators have many sub-contracted suppliers that are expected to deliver quality services under some form of supervision. They rely upon close relationships with people working in the destinations – at airports, hotels, restaurants, excursion venues, public administrations, medical authorities, etc. – for without them, holidays could not be delivered. Tour operators have resident staff, or those of their local agents that maintain these relationships and are expected to become familiar with concerns expressed by local c ommunities. Where good quality accommodation for customers is in short supply, many tour operators co-finance developments on a short-term basis. Tour operators act as a bridge between suppliers, customers and the country visited, providing information about the destination, safety and cultural sensitivity (dress codes, etc). With smaller guided tours, customers often seek greater detailed interaction and are very aware of their social and cultural responsibilities. In Great Britain, the country in which they occurred the first time tour operators, leading manufacturers are Thompson, Owners Abroad and Airtours which has 60% of the total national sales of standard trips. Vertical integration: Vertical integration occurs when an organization own companies on two or more levels of the buying chains.(Siraliova and Angelis, 2006). Companies use the concept of rebranding in this integration for the purpose of enhancing the customer base. Horizontal integration: â€Å"Horizontal integration simply means a strategy to increase the market share by taking over a similar company. Tour operators can integrate with same kind of company such as Thompson holidays so that to sustain in the competitive market. Especially technological industries use this concept where mergers and acquisitions happen in order to enhance t he reach of the entity.† (Vignali, 2001).

Theseus and the Minotaur and the Hunger Games

Throughout countless novels society remains a common theme. Societal structure greatly reflects upon the composure of the plot, as well as the characters. In the novel The Hunger Games by Suzanne Collins, Collins creates an alternate society which is completely controlled by their government, the Capitol. The Hunger Games is reminiscent of the Greek myth, Theseus and the Minotaur. They both share the idea of a society supervised thoroughly by the government, and the idea of a method of rebelling against higher powers.Collins uses the literary device of allusion to reference her literary work of The Hunger Games to characters and themes found in Theseus and the Minotaur. The Hunger Games and Theseus and the Minotaur both express the themes of sacrifice, oppression, government control, and survival through characterization and allegory. The characters of Katniss Everdeen and Prince Theseus of Athens both illustrate what it takes to sacrifice one’s self for others.They both have incredible incentives towards their decision of â€Å"volunteering as tribute,† yet they have different motives regarding who or what they made their choices for. From the beginning of The Hunger Games, it’s clear Katniss has a true connection to her younger sister, Prim, and genuinely cares for her. â€Å"How could I leave Prim, who is the only person in the world I’m certain I love? † (Collins, 10) Katniss implies that in all matters, she’ll always be there for Prim, who is eventually her motivation for volunteering as tribute for her.In Theseus and the Minotaur, Theseus volunteers to end King Minos’s viscous and never ending cycle of tributes sent to fight the minotaur, but are defeated and killed. What Katniss and Theseus have in the common is that they’re both volunteering so others don’t have to suffer. Katniss is sacrificing herself for her family, and Theseus for his country’s bravery. They both have strong motiv es and something they believe in which is what it takes for someone to sacrifice themselves if it betters their cause.The Capitol and King Minos have total control over Panem and Ancient Greece. They both make it almost impossible to rebel against them or else they will threaten war, in which the other sides have no chance of winning. The Capitol keeps control of Panem by providing food and entertainment. King Minos keeps control by threatening war and also by providing food and entertainment. The Capitol in The Hunger Games and King Minos in Theses and the Minotaur put their regions under complete government oppression. They both prevent war by reminding their societies of the cost of war.Theseus and Katniss both have cunning tactics of defeating either the minotaur, or other tributes. Katniss is an extremely strong hunter which helps her with survival in the hunger games. She can climb trees and can hid herself extraordinarily well from enemies. Theseus wins with his smart thinkin g and problem solving. They both have help from a â€Å"love interest† in which case it’s Peeta for Katniss, and King Minos’s daughter for Theseus. Katniss is originally uncomfortable accepting help from others, but as the novel progresses, she has to accept help if she wants to win.Theseus rather than Katniss takes help from King Minos’s daughter immediately, using any kind of resource he can to defeat the minotaur. Often writers take ideas and conceptions from other pieces of literary work and incorporate it in their own work. This is shown in The Hunger Games with the Greek myth Theseus and the Minotaur. Collins takes Theseus and the Minotaur and incorporates it into the future. If majority of ideas and thoughts all come from other sources, who originally thought those thoughts? The world may never know.

Questions On Electronic Fiscal Devices Essay - 830 Words

2.0 Introductions This chapter summarized the studies from other researchers who have carried out their research in the same field of study. The specific areas covered are the background Electronic Fiscal devices and its challenges faced by user of EFD machines in Tanzania by drawing inference from all over the world. 2.1 Definitions of Electronic Fiscal devices Electronic fiscal device involve wide variety of technological devices that tax authorities use to monitor transactions (IMF, 2013). It is further defined as tool for efficient management controls in areas of sales analysis and stock monitoring and control (TRA, 2012). It is also defined as small machines that are used to determine the amount of Value Added Tax remitted to the government (Mapira, et al., 2000). 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Does Plato Believe There Can Ever Be a Just Society Essay

Does Plato Believe There Can Ever Be A Just Society? In answering this question I first need to describe what a just society would consist of. A perfect state can only be lead under perfect conditions. Civil Society would be a better name for this state. A just state would be made up of three parts. First, a state is a structure with parts that work together like an organism. If the parts do not work well together then the whole thing breaks down. It must have virtues, voices, it can be wise and brave. The state must have everyone performing there jobs to their best ability. For a state to be just the people within the state must also be just. A man is just when he has a well ordered soul because then you will do the right thing†¦show more content†¦In order to get rid of injustice everyone in the society must be educated starting at birth. Women and men need to be equally educated in a well rounded fashion in order to promote a just society. 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Essay about Experiment Assignment 3 1 - 953 Words

PSYC 101 – Experiment Assignment (40 pts) Students will carefully observe acts of aggression and prosocial behavior on television, report their observations, and analyze their data to draw conclusions. Watch 20 minutes of each of the three types of programs (do not code behavior in commercials). Record every aggressive act and prosocial act. Some categories will have several acts. Your chart and discussion will focus on comparing the following three types of programs you will watch: 1) children’s cartoons (such as from the cartoon channel, Nick Jr); 2) children’s Teaching program can be found on cable stations like SPROUT such as Barney, Arthur, Clifford the big red dog, Berenstain Bears, or Mister Rogers’ Neighborhood; or Nick Jr†¦show more content†¦Once I figured out the plan for collecting and processing the data, it was pretty easy. I’m not a big cartoon person, but I enjoyed watching the Berenstain Bears. 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Advance Financial Accounting Slater and Gordon

Question: Describe about the Advance Financial Accounting for Slater and Gordon. Answer: Slater and Gordon included its ongoing cases revenue as working progress and in this way the revenue of the company has been increased and which is not the actual revenue earned by the company (Beil, 2013) There are many firms use work in progress accounting methods and maximum of these without actually happening. The similar things are done by the Slater and Gordon Company in order to improve its financial position in the reports. The analysis and evaluation condition for the services revenue identification under the law of IAS18 and AASBIFRS15 are as follows, the firm need not create some rules and regulations of the time to detect the revenue as per the need of IAS 18 and IFRS15 guidelines (Fox and Dodge, 2012). However, the research by VGIs indicated that the company pitched up 10 red flag inclusive of the companys work in progress accounting along with the companys aggressive desire to purchase the small law firm. VGI stated that the company purchased the law firms which are undervalued WIP as well as inflating up its value the companys own accounting so that it can artificially improve the revenue and profit for the company(Dobler, 2008). During the investigation within the company ASIC observed few serious doubt on the revenue along with the WIP so that the ASIC ordered the company Slater and Gordon to hire a new CFO as well as alter their external auditor. However, after altering of CFO as well as external auditor the company Slater and Gordon up graded their accounting policies (Kober, 2010). Besides this, the UK laws need alteration in order to adopt IFRS standard for revenue. For this reason a requirement for the changes in the working progress treatment. As in the previous financial statement the company included revenues which supposed to come from its ongoing cases and the as per the terms and condition of the company that in case of defeated the company would not get any payment, therefore, the amount the company included for the ongoing cases as work in progress were not secure income for the company. This accounting standard needs that Slater and Gordon record the revenue which is highly probable and agreed by a contract. Moreover, this specific accounting standard applied by the company required that the company book only those revenues, which are detected as high probable as well as contractually agreed and this changes the work I progress substantially in 2014 the amount is computed $382 million and it was vast different from the older $467. Similarly in 2015 the amount computed in accounting standard was $694 and in the older version was $826. The company disclosed that owing to the obligatory needs of IFRS 15 essential discounting of work in progress by 15% to 20%. For these incidents the goodwill of the firm has been impaired immensely, which hamper the business of the organization. 5. The company Slater and Gordon is a specialize firm in no win no fees for the personal injury cases the company recorded the revenues based on the work in progress for the cases which take around 18 to 20months time (Qu and Yang, 2012). As per the basic principles of accounting ethics prescribed by APES 110 code of ethics the firm violate the integrity as it was not honest as well as straightforward to the profession in which the company involved. The members of the company did not follow the requisite rules and regulations to credit the profession. As per the previous accounting standard it was not illegal but by the new adopted IFRS15 riles these are not allowed and so these must be excluded from the financial statement the revenue has been dropped significantly. The revenue detection policy till June 2015 was an the basis of Result of the services may be scaled reliably Stage of the finishing point of case. Revenue detection to the amount of cost incurred. Interest revenue detected on a comparative basis as per the interest rates. Other revenue detected once when the right to achieve the income has been detected Moreover for the six months interim period the financial report for FY15 will ass larger disclosure on revenue detection policy. Due to this the company has to comply with detection under IFRS 15 is more stricter than the old standard. AS, the firm Slater and Gordon specialize in no win no fee personal injury cases (Bragg, 2010). Thus, if the company could not win the cases in that cases the company would not get any payment so it was totally unethical to include this revenue in the financial statement and as per the IFRS 15 standards of financial reporting it is totally illegal. 6. After detecting the company Slater and Gordon accounting treatment problems on the revenue and work in progress referred by the VGI investigation report as well as amendment in some laws in UK the management of the company consulted with the auditors has determined to accounting policies as well as to adopt the IFRS 15 standards which is more suitable to the firm to reveal a clear picture (Sudan, 2009). The new CFO as well as the auditors has faith on the OASB 18 reporting standard. The internal auditors of the firm did not disclose important information on the company. At the time of the preparation if the financial statement or report the firms use information as per the guideline of the IFRS 15 however, the law of the nation and as well as the accounting standard then the firm are very important. There is a close relation between the company and the government. The regulations of the commercial law serve to save the interest of the stakeholder. The early adaptation of the stand ard of IFRS15 would be benefitted to the firm as according to the IFRS15 standard the firm can only record the revenue which is highly potential as well as clearly defined in the term, and condition in contract so the company would not be in the adverse condition (Wink and Corradino, 2011). References Beil, F. (2013).Revenue recognition. [New York, N.Y.] (222 East 46th Street, New York, NY 10017): Business Expert Press. Bragg, S. (2010).Wiley revenue recognition. Hoboken, N.J.: Wiley. Dobler, M. (2008). Rethinking revenue recognition the case of construction contracts under International Financial Reporting Standards.IJRM, 2(1), p.1. Fox, M. and Dodge, E. (2012).Economics demystified. New York: McGraw-Hill. Kober, M. (2010). Gauge theories under incorporation of a generalized uncertainty principle.Physical Review D, 82(8). Qu, X. and Yang, Y. (2012).Information and Business Intelligence. Berlin, Heidelberg: Springer Berlin Heidelberg. Sudan, S. (2009).Revenue recognition. Kbenhavn: Thomson Reuters. Wink, G. and Corradino, L. (2011).Intermediate accounting demystified. New York, NY: McGraw-Hill.