A common troubleshooting step for input devices is: MCQ with Answer and Explanation

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A common troubleshooting step for input devices is:

A. Replacing monitor

B. Checking connections and drivers

C. Reformatting HDD

D. Updating BIOS always

Answer: Option B

Solution (By JKSSB Mock Tests)

Basic diagnostics.

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Question #1

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Which scanner uses a linear array of sensors?

A. Drum scanner

B. Flatbed scanner

C. All of them

D. Film scanner

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Correct Answer: Option B

Explanation:
Flatbed uses CCD or CIS sensor arrays.

This question belongs to: Computer Computer Hardware

Question #2

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The viewing angle specification is most important for:

A. Printers

B. Monitors used by multiple people

C. Single user gaming

D. Keyboards

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Correct Answer: Option B

Explanation:
Consistent image quality.

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Question #3

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A MICR reader is specialized for:

A. Banking cheques

B. General documents

C. Barcodes

D. Photos

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Correct Answer: Option A

Explanation:
Magnetic ink characters.

This question belongs to: Computer Computer Hardware

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