CRT Software Development Lifecycle 3

Question 1

Which SDLC phase produces wireframes, database schemas, and system architecture diagrams?

Accepted Answer

Design

Answer

The Design phase translates requirements into blueprints for the system, including UI mockups, data models, and architecture.

Question 2

What does 'version control' allow a software team to do?

Accepted Answer

Track and manage changes to source code over time

Answer

Version control systems like Git record every change to the codebase, enabling teams to collaborate and revert to previous states.

Question 3

In Agile development, what is a 'backlog'?

Accepted Answer

A prioritized list of features and tasks to be completed

Answer

The product backlog is an ordered list of work items (features, fixes, enhancements) that a team plans to implement.

Question 4

Which type of testing checks that individual units or components of software work correctly in isolation?

Accepted Answer

Unit testing

Answer

Unit testing validates the smallest testable parts of code independently from the rest of the application.

Question 5

A developer 'refactors' code. What does this mean?

Accepted Answer

Restructures existing code without changing its external behavior

Answer

Refactoring improves code structure, readability, or performance while preserving the same functionality.

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