Which device is used in ATMs for card reading? MCQ with Answer and Explanation

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Which device is used in ATMs for card reading?

A. OCR

B. Flatbed scanner

C. Joystick

D. Magnetic stripe reader

Answer: Option D

Solution (By JKSSB Mock Tests)

Magnetic stripe readers read card data.

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Question #1

SMPS stands for:

A. Serial Memory Power System

B. Switch Mode Power Supply

C. Standard Motherboard Processing Supply

D. Simple Memory Processing System

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Correct Answer: Option B

Explanation:
SMPS converts AC to DC power for computer components.

This question belongs to: Computer Computer Hardware

Question #2

What is the primary function of a computer mouse?

A. To scan barcodes

B. To point and select objects on screen

C. To print documents

D. To display images

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Correct Answer: Option B

Explanation:
Mouse is a pointing input device used for navigation and selection.

This question belongs to: Computer Computer Hardware

Question #3

The actuator in HDD is responsible for:

A. Moving the read/write heads

B. Controlling power

C. Data processing

D. Spinning platters

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Correct Answer: Option A

Explanation:
Precise positioning.

This question belongs to: Computer Computer Hardware

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