What is the main disadvantage of first-generation computers? MCQ with Answer and Explanation

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What is the main disadvantage of first-generation computers?

A. Large size and high power consumption

B. High cost

C. Low speed

D. Lack of software

Answer: Option A

Solution (By JKSSB Mock Tests)

First-generation computers were huge, consumed a lot of power, and generated excessive heat.

This question belongs to: Computer Computer Fundamentals

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Question #1

Which of the following is a characteristic of minicomputers?

A. Used in space research

B. High cost and large size

C. Single-user and low cost

D. Multi-user and moderate cost

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Correct Answer: Option D

Explanation:
Minicomputers are multi-user systems with moderate cost, bridging micros and mainframes.

This question belongs to: Computer Computer Fundamentals

Question #2

What is the binary equivalent of octal 17?

A. 1011

B. 1101

C. 1111

D. 1110

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Correct Answer: Option C

Explanation:
Octal 17 = 1 7 -> 001 111 = 1111 binary.

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Question #3

The specialized, high-speed memory unit that sits directly between the main RAM and the CPU to store frequently accessed data instructions temporarily is known as:

A. Virtual Memory

B. Flash Storage

C. Cache Memory

D. Secondary Storage

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Correct Answer: Option C

Explanation:
Cache memory is a very fast, small static memory block that holds copies of active RAM data to decrease CPU data retrieval delay.

This question belongs to: Computer Computer Fundamentals

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