ICT Software Development Concepts 5

Question 1

What is the primary difference between 'stack' and 'heap' memory in programming?

Accepted Answer

Stack is managed automatically with LIFO allocation; heap is manually managed with dynamic allocation

Answer

Stack memory is automatically managed in a last-in, first-out manner for function calls, while heap memory is dynamically allocated at runtime.

Question 2

What does 'dead code' refer to in software development?

Accepted Answer

Code that is never executed or reachable during normal program execution

Answer

Dead code is source code that is never executed at runtime, often because it is unreachable or its results are never used.

Question 3

In agile development, what is the purpose of a 'retrospective' meeting?

Accepted Answer

To reflect on the past sprint and identify process improvements

Answer

A retrospective is held at the end of each sprint for the team to inspect their process and create a plan for improvements.

Question 4

What is 'code coverage' in software testing?

Accepted Answer

The percentage of source code lines or branches executed during automated tests

Answer

Code coverage measures the percentage of code executed by a test suite, helping identify untested portions of the application.

Question 5

Which security vulnerability occurs when an attacker injects malicious scripts into content viewed by other users?

Accepted Answer

Cross-Site Scripting (XSS)

Answer

Cross-Site Scripting (XSS) allows attackers to inject malicious client-side scripts into web pages viewed by other users.

ICT - Information Communication Technology Practice Test