Which of the following is not a hardware component? MCQ with Answer and Explanation

Which of the following is not a hardware component?
A. Monitor
B. Mouse
C. Keyboard
D. Windows
Answer: Option D
Solution (By JKSSB Mock Tests)
Windows is an operating system (software), not hardware.

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Practice More Computer Fundamentals Questions

Question #1
An automated assembly line tracking machine that constantly measures physical automobile alignments and flags anomalies on a terminal is a:
A. Hybrid Computer
B. Supercomputer
C. Pure Digital Computer
D. Pure Analog Computer

Correct Answer: Option A


Explanation:
It operates as a hybrid computer because it converts continuous physical physical measurements into digital signals for data processing.

This question belongs to: Computer Computer Fundamentals
Question #2
What major environmental drawback was heavily associated with first-generation computers like ENIAC and EDVAC?
A. They required wireless satellite infrastructure.
B. They emitted massive heat, consumed tremendous power, and required heavy air conditioning.
C. They relied entirely on expensive silicon wafers.
D. They emitted high-frequency radiation.

Correct Answer: Option B


Explanation:
Vacuum tubes pulled immense electric currents and generated immense heat, leading to frequent filament burnouts and demanding complex cooling rooms.

This question belongs to: Computer Computer Fundamentals
Question #3
The small, high-speed temporary storage registers located directly inside the CPU chip to hold immediate data operands are part of the:
A. Virtual Storage Unit
B. Processor Register Array
C. Auxiliary Memory
D. Secondary Storage Unit

Correct Answer: Option B


Explanation:
Registers are ultra-fast, local memory cells inside the CPU used to hold data currently undergoing immediate processing.

This question belongs to: Computer Computer Fundamentals