A common wireless input device is: MCQ with Answer and Explanation

A common wireless input device is:

A. Wired keyboard

B. VGA monitor

C. Bluetooth mouse

D. USB scanner

Answer: Option C

Bluetooth enables wireless connectivity.

This question belongs to: Computer Computer Hardware

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Question #1 Report Error

What is the function of a voltage regulator module (VRM)?

A. Display graphics

B. Store data

C. Regulate power to CPU

D. Cool the system

Correct Answer: Option C

Explanation:
VRMs ensure stable voltage for processors.

This question belongs to: Computer Computer Hardware

Question #2 Report Error

What is SIMD in CPU architecture?

A. Single Instruction Multiple Data for parallel processing

B. Memory only

C. Serial processing

D. Display instruction

Correct Answer: Option A

Explanation:
Vector processing.

This question belongs to: Computer Computer Hardware

Question #3 Report Error

The refresh rate for standard office monitors is usually:

A. 240Hz

B. 30Hz

C. 144Hz

D. 60Hz

Correct Answer: Option D

Explanation:
Sufficient for productivity.

This question belongs to: Computer Computer Hardware