Which Linux command is used to display system hardware information? MCQ with Answer and Explanation

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Which Linux command is used to display system hardware information?

A. dmesg

B. lspci

C. lshw

D. lsusb

Answer: Option C

Solution (By JKSSB Mock Tests)

lshw (list hardware) provides comprehensive hardware details; other commands show specific devices.

This question belongs to: Computer Operating Systems

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Question #1

Which Linux command is used to view the contents of a file?

A. more

B. All of the above

C. less

D. cat

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Correct Answer: Option B

Explanation:
cat, more, and less all display file contents; less is interactive, cat dumps entire file.

This question belongs to: Computer Operating Systems

Question #2

In operating systems, what is the 'Working Set' of a process?

A. The structural priority tier assigned by the CPU scheduler.

B. The set of memory pages frequently referenced by the process during its current execution phase.

C. The list of peripheral device drivers used by the application.

D. The entire collection of data files ever opened by the process.

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Correct Answer: Option B

Explanation:
The working set represents the specific collection of virtual memory pages that a process actively utilizes during a given time slice.

This question belongs to: Computer Operating Systems

Question #3

Which of the following is a feature of the Windows 'Group Policy'?

A. Centralized management of user and computer settings in a domain

B. Local policy settings for standalone machines

C. All of the above

D. Security policy configuration

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Correct Answer: Option C

Explanation:
Group Policy allows administrators to define policies for users and computers, both locally and via Active Directory.

This question belongs to: Computer Operating Systems

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