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Author Question: Explain the importance of the requirements analysis phase of the systems development lifecycle ... (Read 118 times)

joblessjake

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Explain the importance of the requirements analysis phase of the systems development lifecycle (SDLC).
 
  What will be an ideal response?

Question 2

Which of the following statements is true about the points system?
 
  A) Points are assigned by the clients at the beginning of the project.
  B) The most difficult task is assigned a point score of 1.
  C) Consecutive integers are used to award point scores to tasks.
  D) Points estimate the relative difficulty, rather than the relative duration of tasks.



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verrinzo

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Answer to Question 1

Determining the system's requirements is the most important phase in the systems
development process. If the requirements are wrong, the system will be wrong. If the
requirements are determined completely and correctly, then design and implementation will be
easier and more likely to result in success. Examples of requirements are the contents and the
format of Web pages and the functions of buttons on those pages, or the structure and content of
a report, or the fields and menu choices in a data entry form. Security is another important
category of requirements. The easiest and cheapest time to alter the information system is in the
requirements phase. Changing a requirement at this stage is simply a matter of changing a
description. Changing a requirement in the implementation phase may require weeks of
reworking applications components and the database.

Answer to Question 2

D





 

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