A smart card reader is used for: MCQ with Answer and Explanation

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A smart card reader is used for:

A. Printing

B. Mouse input

C. Scanning photos

D. Secure authentication with chip cards

Answer: Option D

Solution (By JKSSB Mock Tests)

Banking and ID.

This question belongs to: Computer Computer Hardware

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Question #1

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The purpose of a case fan is:

A. Overall system airflow

B. GPU only

C. CPU only

D. PSU only

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Correct Answer: Option A

Explanation:
Balanced cooling.

This question belongs to: Computer Computer Hardware

Question #2

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The integrated GPU is part of:

A. Storage

B. Motherboard chipset only

C. CPU in many processors

D. RAM

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Correct Answer: Option C

Explanation:
For basic graphics without discrete card.

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Question #3

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What feature do gaming monitors often have for low latency?

A. High refresh rate and low response time

B. Built-in scanner

C. High DPI

D. Large size only

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Correct Answer: Option A

Explanation:
1ms response time is common.

This question belongs to: Computer Computer Hardware

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