Computer Science Principles MCQ Question with Answer

Computer Science Principles MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 29
What does the acronym SQL stand for?

Structured Query Language

Simple Query Language

System Query Language

Sequential Query Language

Question No : 30
Which of the following is not a valid type of computer network?

Local Area Network (LAN)

Wide Area Network (WAN)

Personal Area Network (PAN)

Personal Computer Network (PCN)

Question No : 31
What is a pointer in the C programming language?

A data type used to store text

A variable that stores multiple values

A variable that stores the memory address of another variable

A type of loop

Question No : 32
In object-oriented programming, what is encapsulation?

The process of converting code into an executable program

The process of hiding the implementation details of an object

The process of compiling code

The process of optimizing code for performance

Question No : 33
What is the purpose of the switch statement in programming?

To execute code based on multiple conditions

To define a function

To create graphics

To exit a loop

Question No : 34
What does CPU stand for?

Central Processing Unit

Computer Programming Unit

Central Program Unit

Computer Processing Unit

Question No : 35
In the context of cybersecurity, what does the term phishing refer to?

Catching harmful computer viruses

Fishing for personal information through deceptive emails or websites

Encrypting data for security

Scanning for network vulnerabilities