What is the complete expansion of the core architectural component acronym CPU? MCQ with Answer and Explanation

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What is the complete expansion of the core architectural component acronym CPU?

A. Central Processing Unit

B. Computer Processing Unit

C. Core Processing Unit

D. Central Processor Utility

Answer: Option A

Solution (By JKSSB Mock Tests)

The component abbreviation CPU maps entirely into Central Processing Unit, acting as the ultimate system computation core.

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Question #1

What did the old physical visual terminal monitor abbreviation CRT stand for?

A. Cathode Rendering Technology

B. Cathode Ray Tube

C. Central Ray Tube

D. Common Rate Terminal

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Correct Answer: Option B

Explanation:
CRT stands for Cathode Ray Tube, steering high-energy electron guns inside vacuum tubes to illuminate glowing phosphor pixels.

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Question #2

What is the full form of the abbreviation BIOS?

A. Binary Input Output System

B. Basic Input Output System

C. Basic Integrated Operating System

D. Base Internal Output Software

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Correct Answer: Option B

Explanation:
BIOS stands for Basic Input Output System. It is the built-in core firmware that coordinates early diagnostic hardware validation before booting the operating system.

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Question #3

In storage configurations, what does SCSI stand for?

A. Standard Computer Storage Interconnect

B. Small Computer System Interface

C. Sequential Computer Storage Interface

D. Serial Computer System Interface

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Correct Answer: Option B

Explanation:
SCSI stands for Small Computer System Interface. It is a set of standards for physically connecting and transferring data between computers and peripheral devices.

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