VA panels offer better: MCQ with Answer and Explanation

VA panels offer better:

A. Speed than all

B. Viewing angles than TN

C. Both a and b

D. Contrast ratios than IPS

Answer: Option C

Good middle ground for contrast.

This question belongs to: Computer Computer Hardware

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Question #1 Report Error

Which feature in printers saves ink?

A. Duplex

B. Color printing

C. High quality mode

D. Draft mode or eco mode

Correct Answer: Option D

Explanation:
Lower resolution for drafts.

This question belongs to: Computer Computer Hardware

Question #2 Report Error

What is a common input device in factories for inventory?

A. Touchscreen only

B. Keyboard only

C. RFID reader or barcode scanner

D. Mouse

Correct Answer: Option C

Explanation:
Efficient for tracking.

This question belongs to: Computer Computer Hardware

Question #3 Report Error

What is the main function of I/O ports?

A. Connecting input and output devices

B. Storing programs

C. Cooling the system

D. Processing data

Correct Answer: Option A

Explanation:
Ports like USB, HDMI allow device connectivity.

This question belongs to: Computer Computer Hardware