What is the role of the shell in an OS? MCQ with Answer and Explanation

What is the role of the shell in an OS?
A. Interprets user commands
B. Manages network
C. Manages memory
D. Manages files
Answer: Option A
Solution (By JKExamLibrary)
The shell is a user interface that interprets and executes commands.

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 compiler's optimization?
A. All of the above
B. To improve performance of generated code
C. To reduce memory usage
D. To fix bugs

Correct Answer: Option B


Explanation:
Optimization enhances code efficiency in terms of speed or size.

This question belongs to: Computer Computer Software
Question #2 Report Error
What type of software is a device driver?
A. Utility software
B. Firmware
C. System software
D. Application software

Correct Answer: Option C


Explanation:
Device drivers are system software that allow the OS to communicate with hardware.

This question belongs to: Computer Computer Software
Question #3 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. System Task Engine
B. Defragmenter Suite
C. Device Emulator
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