What is the purpose of CMOS in computers? MCQ with Answer and Explanation

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What is the purpose of CMOS in computers?

A. To store BIOS settings and system time

B. To process graphics

C. To connect USB devices

D. To provide power backup

Answer: Option A

Solution (By JKSSB Mock Tests)

CMOS battery-powered memory holds configuration.

This question belongs to: Computer Computer Hardware

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Practice More Computer Hardware Questions

Question #1

A trackpoint is found in:

A. Some laptop keyboards

B. Monitors

C. Desktops only

D. Printers

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Correct Answer: Option A

Explanation:
Pointing stick for navigation.

This question belongs to: Computer Computer Hardware

Question #2

The chipset that handles I/O is called:

A. Northbridge

B. Eastbridge

C. Westbridge

D. Southbridge

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Correct Answer: Option D

Explanation:
Southbridge manages slower peripherals.

This question belongs to: Computer Computer Hardware

Question #3

Which hardware failure often causes 'blue screen' errors?

A. Monitor cable

B. Damaged keyboard

C. Printer jam

D. Faulty RAM

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Correct Answer: Option D

Explanation:
Bad RAM is a common cause of system crashes.

This question belongs to: Computer Computer Hardware

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