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 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
null

The programming language COBOL was designed for:

A. Game development
B. Business applications
C. Scientific calculations
D. AI
Correct answer is: B. Business applications
null

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)
null

The development of the personal computer revolutionized:

A. Space exploration
B. Home & office computing
C. Weather forecasting
D. Military applications
Correct answer is: B. Home & office computing
null

The term “social media” refers to online platforms that enable:

A. E-commerce transactions
B. Content sharing & communication
C. Cloud storage services
D. Video conferencing
Correct answer is: B. Content sharing & communication
null

The concept of a “search engine” is used to:

A. Efficient internet browsing
B. Protecting data
C. Developing websites
D. Sending emails
Correct answer is: A. Efficient internet browsing
null

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
null

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
null
Join Our WhatsApp Channel! ×
Scroll to Top