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. Lack of software

B. Large size and high power consumption

C. High cost

D. Low speed

Answer: Option B

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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Practice More Computer Fundamentals Questions

Question #1

What is the decimal equivalent of hexadecimal 1A?

A. 28

B. 29

C. 27

D. 26

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Correct Answer: Option D

Explanation:
1A = 1*16 + 10 = 26.

This question belongs to: Computer Computer Fundamentals

Question #2

Which generation of computers introduced Very Large Scale Integration (VLSI) and witnessed the birth of the commercial internet and laptop computers?

A. Fourth Generation

B. Third Generation

C. Fifth Generation

D. Second Generation

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Correct Answer: Option A

Explanation:
The Fourth Generation used VLSI chips, enabling the development of standard personal computers, laptops, and modern networks.

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Question #3

Which of the following is not a type of computer?

A. Hybrid

B. Mechanical

C. Analog

D. Digital

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Correct Answer: Option B

Explanation:
Mechanical computers are historical; modern classification includes analog, digital, and hybrid.

This question belongs to: Computer Computer Fundamentals

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