What is the main function of a scheduler? MCQ with Answer and Explanation

What is the main function of a scheduler?
A. Manages file storage
B. Manages memory allocation
C. Manages input/output
D. Manages CPU time allocation
Answer: Option D
Solution (By JKExamLibrary)
The scheduler allocates CPU time to various processes.

This question belongs to: Computer Computer Software

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Practice More Computer Software Questions

Question #1 Report Error
What is the purpose of a system configuration tool?
A. To manage files
B. To create documents
C. To change system startup settings
D. To edit images

Correct Answer: Option C


Explanation:
Tools like msconfig adjust boot options and services.

This question belongs to: Computer Computer Software
Question #2 Report Error
Which software utility provides an environment where single physical computer hardware resources can be partitioned to run multiple virtual operating systems concurrently?
A. Device Emulator
B. System Task Engine
C. Defragmenter Suite
D. Hypervisor / Virtualization Software

Correct Answer: Option D


Explanation:
Hypervisors or virtualization software (like VMware or VirtualBox) allow multiple virtual machines with distinct operating systems to run on a single host computer.

This question belongs to: Computer Computer Software
Question #3 Report Error
Software that is provided entirely free of cost for indefinite use without any fee, but whose underlying source code remains copyrighted and hidden, is:
A. Open-Source Software
B. Shareware
C. Freeware
D. Bespoke Software

Correct Answer: Option C


Explanation:
Freeware is free to download and use continuously, but unlike open-source software, its proprietary source code remains restricted and private.

This question belongs to: Computer Computer Software