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Give reasons why the process of requirements elicitation and validation is an iterative one? Answer in 2 to 4 sentences. (marking) What roles does the requirement documentation play in

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1. Give reasons why the process of requirements elicitation and validation is an iterative one? Answer in 2 to 4 sentences. (marking) 2. What roles does the requirement documentation play in the process of requirements elicitation and validation? Answer in 2 to 4 sentences. (marking) 3. Explain the differences between scenarios and use cases? What would be their relationship between scenarios and use cases in a requirements document? Answer in 2 to 4 sentences. (marking) 4. Assuming that you are going to create a tool to automate the job of an employee, and you are scheduled to intervi...

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1. Give reasons why the process of requirements elicitation and validation is an iterative one? Answer in 2 to 4 sentences. (marking) 2. What roles does the requirement documentation play in the process of requirements elicitation and validation? Answer in 2 to 4 sentences. (marking) 3. Explain the differences between scenarios and use cases? What would be their relationship between scenarios and use cases in a requirements document? Answer in 2 to 4 sentences. (marking) 4. Assuming that you are going to create a tool to automate the job of an employee, and you are scheduled to interview her. Would it be useful to prepare a set questions? If not, why not? If so, why?, and would you stick to those questions during the interview? Answer in 2 to 4 sentences. (marking) 5. [2 marks] Write down the key differences between requirement goals and requirement specifications. Answer in 2 to 4 sentences. (marking) 6. Develop each of the following requirement goals into a set of requirement specifications. These goals do not provide all of the necessary information, so it is up to you to make any assumptions that you need to make in order to do this:- a. [7 marks]"The tab tool can take a plain text document, and convert tabs to spaces, spaces to tabs or change the tab size." (In order to gain full marks here, you will have to identify everything that is not properly explained and define/explain it. Make your explanations in point form, with each point numbered. You will need to be creative.) b. [1 marks]"The tab tool will be easy to use." c. [1 marks]"The website will support multiple browsers. d. [1 marks]"The website will support multiple users." (marking scheme) Question 2: Class diagram [20 marks] Draw a UML class diagram that models the aspects of a real estate agents business that are described below.  The agency handles the sale and rental of properties on behalf the the owners of the properties. A property can be owned by one or more people or by a company.  An employee, known as the "agent", supervises the sale of a property. There can be more than one agents involved with a sale.  At the time of sale, details of the sale contract such as price, deposit paid and settlement date are recorded.  There is a rental agreement established for each rental, which records information such as the length of the rental, and payment method.  Each rental property has an associated rental agent. A rental agent will supervise the rental. The rental agent will arrange and record any property maintenance required (such as calling a plumber to fix a problem with the hot water system).  The rental agent will perform regular inspections of the property and make an inspection report.  Your model must show: o Named classes o Named associations and association multiplicity o Example attributes of classes (at least 3 attributes, but as many as possible) (marking) Question 3: Statechart diagram [15 marks] Draw a statechart that models the operation of the tape recorder which is described below. A single cassette tape recorder has the following seven control buttons which govern its operation. The machine can play, fast forward, or record in either direction (right to left or left to right). We summarise its operations as follows:  The single arrow buttons initiate replay of a tape. When the end of tape is reached, the machine will automatically continue playing in the reverse direction.  The double arrow buttons initiate high speed tape winding. The movement stops when the end of the tape is reached.  The stop button stops tape movement due to play, record or fast forward.  The Record button initiates recording from an external source such as a CD player, microphone or radio. The direction of tape movement is the same direction that the tape was moving when last it was stopped. Recording stops when the end of tape is reached.  The play, record and fast forward buttons only function when the tape is stopped -- otherwise they have no effect.  The Pause button temporarily stops recording if it is in progress. If recording has been paused it can either be restarted by pressing Pause again, or stopped with the stop button. If the machine is not currently recording, the Pause button places it in "paused recording" mode, as if you had pres Angelased Record then Pause in quick succession.  The Pause button has no effect in normal playback or fast tape winding modes. Suggestions Once you have this worked out on paper, use a drawing program. Hints  Do it first using pencil and paper.  Then use a drawing program to create this diagram.  The lecture slide titled "Controlling State Explosion with Statecharts" has some ideas that might simplify your diagram(s).  The previous hint had an "s" in brackets. (marking) Submission Submit a single PDF file using USQ Studydesk.

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Requirement elicitation and validation is the process of identifying, organizing, reviewing, classifying, prioritization and negotiation of requirements, documentation, validating as well as taking feedback of the overall system requirements for achieving the goal of the system. So, the sum of activities is the iterative process due to continuous changing user’s feedback from other activities. (Sommerville and Sawyer, 1997)

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