What is the purpose of a grounding strap when handling hardware? MCQ with Answer and Explanation

What is the purpose of a grounding strap when handling hardware?

A. Cool components

B. Prevent electrostatic discharge damage

C. Print labels

D. Increase speed

Answer: Option B

ESD protection.

This question belongs to: Computer Computer Hardware

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Question #1 Report Error

A common maintenance for optical mice is:

A. Ink refill

B. Paper loading

C. Cleaning the sensor

D. Replacing ball

Correct Answer: Option C

Explanation:
Dust affects performance.

This question belongs to: Computer Computer Hardware

Question #2 Report Error

What feature allows seamless transition between laptop and external monitor?

A. Hot plugging and display switching

B. Cable change only

C. Fixed setup only

D. Reboot required

Correct Answer: Option A

Explanation:
Modern OS support.

This question belongs to: Computer Computer Hardware

Question #3 Report Error

Optical Mouse uses which technology to detect movement?

A. Magnetic field

B. Mechanical ball

C. Ultrasonic waves

D. LED and sensor

Correct Answer: Option D

Explanation:
Optical mice use light-emitting diodes and sensors.

This question belongs to: Computer Computer Hardware