Which of the following is a characteristic of first-generation computers? MCQ with Answer and Explanation

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Which of the following is a characteristic of first-generation computers?

A. Used high-level languages

B. Used microprocessors

C. Used magnetic cores

D. Used machine language

Answer: Option D

Solution (By JKSSB Mock Tests)

First-generation computers were programmed in machine language (binary) and used vacuum tubes.

This question belongs to: Computer Computer Fundamentals

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Which of the following is an example of an optical storage device?

A. Flash drive

B. SSD

C. Hard disk

D. CD-ROM

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Correct Answer: Option D

Explanation:
CD-ROM is an optical storage medium using laser to read data.

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Question #2

Which unit measures the speed of a computer's processor?

A. MIPS

B. Baud

C. Bytes

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Correct Answer: Option D

Explanation:
Processor speed is measured in Hertz (cycles per second), e.g., GHz.

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Question #3

Which of the following is an example of a non-impact printer?

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Correct Answer: Option B

Explanation:
Laser printers are non-impact, using toner and heat to print without striking the paper.

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