What is the difference between a system call and a library call? MCQ with Answer and Explanation

Question

Share Report Error

What is the difference between a system call and a library call?

A. Library call invokes kernel; system call is user-space

B. System call invokes kernel; library call is user-space

C. They are the same

D. System call is for files; library call is for network

Answer: Option B

Solution (By JKSSB Mock Tests)

System calls request services from the OS kernel; library calls are in user-space.

This question belongs to: Computer Computer Software

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Computer Software Questions

Question #1

Share Report

Which type of software license allows free use and distribution, but requires anyone sharing modified versions to publish their source code changes openly?

A. Closed-Source Freeware Framework

B. Copyleft / Open Source License (e.g., GNU GPL)

C. Public Domain Status

D. Proprietary License

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Copyleft licenses (like the GNU GPL) protect the open status of software by requiring all modified versions to share their source code openly.

This question belongs to: Computer Computer Software