Which generation of computers used vacuum tubes? MCQ with Answer and Explanation

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Which generation of computers used vacuum tubes?

A. First generation

B. Second generation

C. Fourth generation

D. Third generation

Answer: Option A

Solution (By JKExamLibrary)

First-generation computers (1940s-1950s) used vacuum tubes for circuitry and magnetic drums for memory.

This question belongs to: Computer Computer Fundamentals

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Question #1 Report Error

What does 'MIPS' stand for?

A. Memory Instructions Per Second

B. Million Inputs Per Second

C. Micro Instructions Per Second

D. Million Instructions Per Second

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Correct Answer: Option D

Explanation:
MIPS is a measure of a computer's processor speed, indicating millions of instructions executed per second.

This question belongs to: Computer Computer Fundamentals

Question #2 Report Error

What is the binary equivalent of octal 72?

A. 111010

B. 110010

C. 111100

D. 101010

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Correct Answer: Option A

Explanation:
Octal 72 = 7 2 -> 111 010 = 111010 binary.

This question belongs to: Computer Computer Fundamentals

Question #3 Report Error

Which component of the CPU is responsible for controlling data flow?

A. Registers

B. Control Unit

C. ALU

D. Cache

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Correct Answer: Option B

Explanation:
The Control Unit directs data flow and coordinates operations.

This question belongs to: Computer Computer Fundamentals

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