RFID tags are read using: MCQ with Answer and Explanation

RFID tags are read using:

A. Optical scanners

B. Radio frequency input devices

C. Magnetic readers

D. Thermal sensors

Answer: Option B

Contactless identification.

This question belongs to: Computer Computer Hardware

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Question #1 Report Error

The main reason for using error correction in storage is:

A. Increase capacity

B. Data integrity

C. Reduce cost

D. Faster speed

Correct Answer: Option B

Explanation:
Prevents data corruption.

This question belongs to: Computer Computer Hardware

Question #2 Report Error

What is the purpose of anti-glare coating on monitors?

A. Increase brightness

B. Reduce reflections

C. Improve color accuracy only

D. Increase response time

Correct Answer: Option B

Explanation:
Reduces eye strain from reflections.

This question belongs to: Computer Computer Hardware

Question #3 Report Error

What is the function of a print head in inkjet?

A. Feed paper

B. Heat toner

C. Scan image

D. Eject ink droplets

Correct Answer: Option D

Explanation:
Core printing mechanism.

This question belongs to: Computer Computer Hardware