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

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 first generation of computers used:

A. Transistors
B. Vacuum tubes
C. Integrated circuits
D. Microprocessors
Correct answer is: B. Vacuum tubes
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The programming language COBOL was designed for:

A. Game development
B. Business applications
C. Scientific calculations
D. AI
Correct answer is: B. Business applications
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The invention of the laser led to the development of:

A. Hard disk drives
B. Optical discs (CDs, DVDs)
C. Magnetic tapes
D. Random access memory
Correct answer is: B. Optical discs (CDs, DVDs)
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