Computer Science MCQS

Computer Science MCQ with detailed explanations for students & freshers preparing for entrance exams, various tests, interviews, competitive exams like GATE exam, interview, competitive examination and entrance exam.

📚 Table of Content

Which of the following is a high-level language?

A. Assembly

B. Machine

C. Python

D. Binary

Correct answer is: C. Python

An error in a computer program is called a:

A. Crash

B. Bug

C. Virus

D. Glitch

Correct answer is: B. Bug

CSS is used for:

A. Logic

B. Styling/Presentation

C. Database Storage

D. Server Management

Correct answer is: B. Styling/Presentation

In a relational database, a row is also known as a:

A. Attribute

B. Tuple

C. Field

D. Relation

Correct answer is: B. Tuple

Which symbol is used for comments in Python?

A. //

B. /*

C. #

D. --

Correct answer is: C. #

SQL stands for:

A. Simple Query Language

B. Structured Query Language

C. Standard Query Logic

D. Sequential Query List

Correct answer is: B. Structured Query Language

In the Waterfall model, can you go back to the previous phase easily?

A. Yes

B. No

C. Sometimes

D. Always

Correct answer is: B. No

Which key uniquely identifies a record in a table?

A. Foreign Key

B. Primary Key

C. Candidate Key

D. Super Key

Correct answer is: B. Primary Key

Which of the following is a “Cloud Computing” service model?

A. SaaS

B. HTTP

C. HTML

D. LAN

Correct answer is: A. SaaS

What does ‘MAC’ stand for in MAC address?

A. Memory Access Control

B. Media Access Control

C. Master Access Code

D. Main Access Cell

Correct answer is: B. Media Access Control