Software Engineering Software Engineering MCQ 4

Question 1

Which software development practice involves writing tests before writing the actual implementation code?

Accepted Answer

Test-Driven Development

Answer

Test-Driven Development (TDD) requires developers to write a failing test first, then write just enough code to make it pass, then refactor.

Question 2

What is the primary purpose of a software configuration management (SCM) system?

Accepted Answer

Track and control changes to software artifacts

Answer

SCM systems track and control changes to software artifacts such as source code, configuration files, and documentation throughout the development lifecycle.

Question 3

In object-oriented design, what does the Liskov Substitution Principle state?

Accepted Answer

Subclasses should extend but not replace base class behavior in a way that breaks correctness

Answer

The Liskov Substitution Principle states that objects of a subclass should be substitutable for objects of the superclass without altering the correctness of the program.

Question 4

What is 'pair programming' in Extreme Programming (XP)?

Accepted Answer

Two developers working together at one workstation on the same code

Answer

In pair programming, two developers share one workstation—one writes code (driver) while the other reviews each line (navigator), then they switch roles.

Question 5

Which metric measures the percentage of source code executed during testing?

Accepted Answer

Code Coverage

Answer

Code coverage measures the proportion of source code lines, branches, or paths that are executed by a test suite.

Software Engineering Practice Test

Software Engineering Practice Test

Software Engineering Software Engineering MCQ 4