Computer Science MCQS

• A. Hardware malfunctions
• B. Software errors
• C. Unauthorized access/attacks
• D. Natural disasters

Correct Answer is: C

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Cybersecurity is the practice of protecting computer systems from:Read More »

• A. Weather forecasting
• B. Codebreaking
• C. Accounting
• D. Word processing

Correct Answer is: B

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

• A. Hard Disk Drive (HDD)
• B. Solid State Drive (SSD)
• C. Random Access Memory (RAM)
• D. Optical Disc

Correct Answer is: C

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Which of the following is NOT a storage device?Read More »

• A. Transistors
• B. Vacuum tubes
• C. Integrated circuits
• D. Microprocessors

Correct Answer is: B

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

• A. 1
• B.
• C.
• D.

Correct Answer is: A

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The binary system uses only two digits, 0 and 1, to represent data in computersRead More »

• A. Increasing processing speed
• B. Reducing size & power consumption
• C. Enabling GUIs
• D. Introducing memory

Correct Answer is: B

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The invention of the transistor revolutionized computers by:Read More »

• A. 1
• B.
• C.
• D.

Correct Answer is: A

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

• A. Personal computing
• B. Scientific calculations
• C. Census data analysis
• D. Video games

Correct Answer is: C

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

• A. Integrated circuits (ICs)
• B. Transistors
• C. Vacuum tubes
• D. Microprocessors

Correct Answer is: B

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

• A. Mainframe computers
• B. Personal computers (PCs)
• C. Supercomputers
• D. Minicomputers

Correct Answer is: B

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