OCR stands for: MCQ with Answer and Explanation

Question

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OCR stands for:

A. Optical Color Reader

B. Output Control Reader

C. Original Character Register

D. Optical Character Recognition

Answer: Option D

Solution (By JKSSB Mock Tests)

OCR converts scanned text images into editable text.

This question belongs to: Computer Computer Hardware

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Question #1

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The number of keys in a standard keyboard is usually:

A. 50

B. 101 or 104

C. 75

D. 200

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Correct Answer: Option B

Explanation:
Full-size keyboards.

This question belongs to: Computer Computer Hardware

Question #2

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The term 'bus' in computer hardware refers to:

A. A pathway for data transfer

B. A storage unit

C. A vehicle for data

D. A processing chip

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Correct Answer: Option A

Explanation:
Data bus, address bus, control bus transfer information.

This question belongs to: Computer Computer Hardware

Question #3

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What is 'out of order execution' in modern CPUs?

A. Graphics only

B. Memory management

C. Reordering instructions for efficiency

D. Sequential only

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Correct Answer: Option C

Explanation:
Performance optimization.

This question belongs to: Computer Computer Hardware

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