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

A program used to view web pages is called a:

A. (A) Search engine
B. (B) Browser
C. (C) Website
D. (D) Bookmark
Correct answer is: B. (B) Browser

The World Wide Web was invented by:

A. (A) Bill Gates
B. (B) Steve Jobs
C. (C) Tim Berners-Lee
D. (D) Mark Zuckerberg
Correct answer is: C. (C) Tim Berners-Lee

A device used to capture images from photographs and store them on a computer is called a:

A. (A) Scanner
B. (B) Digital Camera
C. (C) Printer
D. (D) DVD Drive
Correct answer is: A. (A) Scanner

The main part of the computer that houses the motherboard, power supply, and drives is called the?

A. (A) Central Processing Unit (CPU)
B. (B) System Unit
C. (C) Hard Disk Drive (HDD)
D. (D) Random Access Memory (RAM)
Correct answer is: B. (B) System Unit

A device used to display information on the screen is called a:

A. (A) Scanner
B. (B) Monitor
C. (C) Projector
D. (D) Speaker
Correct answer is: B. (B) Monitor

The image depicts a pointing device called a:

A. (A) Joystick
B. (B) Touchpad
C. (C) Mouse
D. (D) Trackball
Correct answer is: C. (C) Mouse

Which of the following is NOT a commonly used input device ?

A. (A) Keyboard
B. (B) Microphone
C. (C) Printer
D. (D) Scanner
Correct answer is: C. (C) Printer

The development of smartphones has blurred the lines between:

A. PCs & laptops
B. Phones & computers
C. Laptops & tablets
D. Tablets & desktops
Correct answer is: B. Phones & computers
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The term “blockchain” is associated with:

A. Securing online transactions
B. Developing mobile apps
C. Enhancing internet speed
D. VR experiences
Correct answer is: A. Securing online transactions
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