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 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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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

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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

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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

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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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Advances in quantum computing have the potential to revolutionize fields like:

A. Social media networking

B. Medicine & drug discovery

C. Online gaming

D. E-commerce platforms

Correct answer is: B. Medicine & drug discovery

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The term “Big Data” refers to:

A. Large & complex datasets

B. Fast internet speeds

C. High-performance computing

D. Encryption techniques

Correct answer is: A. Large & complex datasets

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The concept of a mechanical computer that could perform calculations is attributed to:

A. Alan Turing

B. Charles Babbage

C. John Mauchly

D. Steve Jobs

Correct answer is: B. Charles Babbage

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