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

Question

Share Report Error

Which generation of computers used vacuum tubes?

A. Second generation

B. Third generation

C. Fourth generation

D. First generation

Answer: Option D

Solution (By JKSSB Mock Tests)

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

This question belongs to: Computer Computer Fundamentals

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Computer Fundamentals Questions

Question #1

Share Report

An electronic vehicle dashboard speedometer that continuously reads wheel rotation speeds and renders them via an analog needle dial is a/an:

A. Digital Computer

B. Mainframe Interface

C. Analog Device

D. Hybrid Computer

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Devices that measure continuous physical movement or voltage variations without digitizing them into binary numbers are analog systems.

This question belongs to: Computer Computer Fundamentals

Question #2

Share Report

Which of the following is a characteristic of microcomputers?

A. Large physical size

B. Used in large data centers

C. Designed for single-user

D. Very high cost

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Microcomputers are personal computers designed for individual use.

This question belongs to: Computer Computer Fundamentals

Question #3

Share Report

Which component inside a CPU directs the flow of signals and coordinates the activities of all other functional units of the computer?

A. Arithmetic Logic Unit

B. Primary Storage Unit

C. Accumulator

D. Control Unit

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
The Control Unit (CU) acts as the supervisor of the system, fetching instructions, decoding them, and dispatching control signals across the computer.

This question belongs to: Computer Computer Fundamentals

Explore All Computer Fundamentals MCQs