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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?

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

What is a characteristic of the Waterfall and parallel models?

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

What is the primary objective of the systems implementation phase?

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

What is a major limitation of the Waterfall model?

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

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

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

What is the result of object-oriented analysis?

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

What is the primary concept behind object-oriented programming?

Combination of data and processes into objects (B) Signup and view all the answers