What is the purpose of an operating system? MCQ with Answer and Explanation

What is the purpose of an operating system?
A. To manage hardware and software resources
B. To connect to the internet
C. To store data permanently
D. To execute applications only
Answer: Option A
Solution (By JKSSB Mock Tests)
An operating system manages computer hardware, software resources, and provides common services for programs.

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Practice More Computer Fundamentals Questions

Question #1
Which level of language was introduced during the second generation of computers to make programming easier by using mnemonic codes instead of raw binary strings?
A. Natural Language
B. High-Level Language
C. Assembly Language
D. Machine Language

Correct Answer: Option C


Explanation:
Second-generation systems widely utilized Assembly Language, which replaced binary 1s and 0s with easy-to-remember mnemonics like ADD, SUB, and MOV.

This question belongs to: Computer Computer Fundamentals
Question #2
A type of specialized computer chip embedded directly inside an automobile braking system to monitor wheel slippage and engage anti-lock braking automatically is an:
A. Supercomputer Module
B. Analog Interface
C. Embedded Computer
D. Mainframe Node

Correct Answer: Option C


Explanation:
Embedded computers are dedicated microcontrollers buried within vehicles or machinery to run specialized real-time control software.

This question belongs to: Computer Computer Fundamentals
Question #3
What type of primary internal memory architecture replaced magnetic drums during the second generation of computers?
A. Optical Storage
B. Magnetic Core Memory
C. Semiconductor Memory
D. Flash Memory

Correct Answer: Option B


Explanation:
Second-generation computers migrated from slow magnetic drums to faster magnetic core memories for internal random-access storage.

This question belongs to: Computer Computer Fundamentals