A common maintenance for optical mice is: MCQ with Answer and Explanation

Question

Share Report Error

A common maintenance for optical mice is:

A. Cleaning the sensor

B. Ink refill

C. Replacing ball

D. Paper loading

Answer: Option A

Solution (By JKSSB Mock Tests)

Dust affects performance.

This question belongs to: Computer Computer Hardware

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Computer Hardware Questions

Question #1

Share Report

Duplex scanning refers to:

A. Two scanners

B. Scanning both sides of a page automatically

C. Color and B/W

D. Double resolution

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Saves time.

This question belongs to: Computer Computer Hardware

Question #2

Share Report

Which component uses magnetic fields for data storage?

A. Cache

B. Traditional HDD

C. SSD

D. RAM

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
Platters and read/write heads.

This question belongs to: Computer Computer Hardware

Question #3

Share Report

A device that reads magnetic stripes on cards is:

A. OCR Scanner

B. MICR Reader

C. Magnetic Stripe Reader

D. Barcode Scanner

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Used in ATMs and POS terminals.

This question belongs to: Computer Computer Hardware

Explore All Computer Hardware MCQs