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SIA Lesson 1: Systems Development Concepts

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SIA Lesson 1: Systems Development Concepts

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Questions and Answers

What is the key difference between a computer program and an information system?

Information systems are only used to fix problems, while computer programs are used to adopt change.

Information systems are never developed to fit business objectives and user requirements.

Information systems are always off-the-shelf, while computer programs are custom-built.

Information systems have more components than computer programs. (correct)

Which of the following is NOT a challenge in systems development?

Estimating schedule and budget.

Changing technology.

Determining requirements.

Increasing the size of the development team to speed up the project. (correct)

Which of the following is a type of system development method?

Object Oriented Development (OOD)

Rapid Application Development (RAD)

Extreme Programming (EP)

All of the above (correct)

What is the relationship between the scale of an information system and the challenges in its development?

Larger information systems have more challenges than smaller ones due to diseconomies of scale. Signup and view all the answers

Which of the following is a characteristic of an enterprise-level information system?

Supports many workgroups with many different applications. Signup and view all the answers

What is the primary purpose of maintaining an information system?

To fix the problem and adopt change. Signup and view all the answers

What is the most important phase in the System Development Life Cycle (SDLC)?

Requirement Analysis Phase Signup and view all the answers

Which of the following is NOT typically a part of the Component Design Phase in the SDLC?

Identifying new application features and functions Signup and view all the answers

What is the purpose of the Pilot conversion strategy in the Implementation Phase of the SDLC?

To have a gradual transition to the new system with minimal disruption Signup and view all the answers

What is the main characteristic of Rapid Application Development (RAD) that distinguishes it from the Classical SDLC approach?

Developing the system in smaller, iterative pieces Signup and view all the answers

Which of the following is NOT typically a responsibility of the project team formed in the System Definition Phase of the SDLC?

Designing the hardware and software specifications Signup and view all the answers