Systems Development Techniques

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Questions and Answers

What is the primary purpose of the preliminary investigation phase in the SDLC model?

  • To design the system specifications
  • To provide support and security for the system
  • To implement the system in the production environment
  • To evaluate an IT-related business opportunity or problem (correct)

What is the characteristic of the predictive approach used in structured analysis?

  • It is based on an overall plan, similar to a blueprint for constructing a building (correct)
  • It does not include a feasibility study
  • It emphasizes interactivity among the phases
  • It uses a flexible and iterative approach

What is the result of each phase in the Waterfall model?

  • A deliverable that flows into the next phase (correct)
  • A system requirements document
  • A fully operational system
  • A prototype of the system

What is the primary focus of the requirements modeling step in the SDLC model?

<p>Investigating business processes to build a logical model of the new system (D)</p> Signup and view all the answers

What is a characteristic of the Waterfall and parallel models?

<p>They do not emphasize interactivity among the phases (A)</p> Signup and view all the answers

What is the primary objective of the systems implementation phase?

<p>To deliver a completely functioning and documented information system (C)</p> Signup and view all the answers

What is a major limitation of the Waterfall model?

<p>It is unable to incorporate changes at the later stage (C)</p> Signup and view all the answers

What is the primary goal of the IT staff during the systems maintenance phase?

<p>To maximize return on the IT investment (ROI) (C)</p> Signup and view all the answers

What is the result of object-oriented analysis?

<p>A set of software objects that represent actual people, things, transactions, and events (B)</p> Signup and view all the answers

What is the primary concept behind object-oriented programming?

<p>Combination of data and processes into objects (B)</p> Signup and view all the answers

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