Computer Science Practice MCQ Question and Answer

The term “Big Data” refers to:

A. Large & complex datasets

B. Fast internet speeds

C. High-performance computing

D. Encryption techniques

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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

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Cybersecurity is the practice of protecting computer systems from:

A. Hardware malfunctions

B. Software errors

C. Unauthorized access/attacks

D. Natural disasters

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The first electronic digital computer, ENIAC, was built during World War II for:

A. Weather forecasting

B. Codebreaking

C. Accounting

D. Word processing

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Which of the following is NOT a storage device?

A. Hard Disk Drive (HDD)

B. Solid State Drive (SSD)

C. Random Access Memory (RAM)

D. Optical Disc

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Vacuum tubes were the primary technology used in computers of which generation?

A. Transistors

B. Vacuum tubes

C. Integrated circuits

D. Microprocessors

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The binary system uses only two digits, 0 and 1, to represent data in computers

A. 1
B.
C.
D.

Correct Answer is: A

…

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The invention of the transistor revolutionized computers by:

A. Increasing processing speed

B. Reducing size & power consumption

C. Enabling GUIs

D. Introducing memory

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Charles Babbage’s Analytical Engine is considered a prototype for modern computers.

A. 1
B.
C.
D.

Correct Answer is: A

…

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The first commercially available computer, UNIVAC I, was used for:

A. Personal computing

B. Scientific calculations

C. Census data analysis

D. Video games

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Integrated circuits (ICs), also known as microchips, were a hallmark of which computer generation?

A. Integrated circuits (ICs)

B. Transistors

C. Vacuum tubes

D. Microprocessors

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The development of the IBM PC in the early 1980s marked the rise of:

A. Mainframe computers

B. Personal computers (PCs)

C. Supercomputers

D. Minicomputers

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The graphical user interface (GUI), popularized by the Apple Macintosh, made computers easier to use for:

A. Programmers

B. Engineers

C. Non-technical users

D. Scientists

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The World Wide Web (WWW) was invented by:

A. Bill Gates

B. Steve Jobs

C. Tim Berners-Lee

D. Dennis Ritchie

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The ability of computers to connect and share resources across vast distances is a defining characteristic of the:

A. Faster computers
B. Easier internet access
C. Resource sharing across distances
D. A

Correct Answer is:

…

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The first high-level programming language, FORTRAN, was designed for:

A. Web development

B. Scientific computing

C. Operating systems

D. Game development

Computer History and Generations MCQs Computer Science MCQS

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The development of the microprocessor led to the creation of:

A. Mainframe computers

B. Personal computers

C. Supercomputers

D. All of the above

Computer History and Generations MCQs Computer Science MCQS

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The term “cloud computing” refers to:

A. Weather forecasting

B. Accessing resources over internet

C. Storing data remotely

D. Online collaboration tools

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Artificial intelligence (AI) research focuses on:

A. Making computers faster

B. Creating intelligent machines

C. Programming languages

D. User interface design

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Which of the following is the Second Step in Creating a Macro?

A. Assign a keyboard shortcut to the macro

B. Save the macro

C. Record macro

D. Name the macro

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