What is the purpose of the system bus? MCQ with Answer and Explanation

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What is the purpose of the system bus?

A. Executes instructions

B. Controls input devices

C. Stores data permanently

D. Transfers data between components

Answer: Option D

Solution (By JKSSB Mock Tests)

The system bus connects the CPU, memory, and I/O devices, allowing data transfer.

This question belongs to: Computer Computer Fundamentals

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Question #1

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A type of specialized computer chip embedded directly inside an automobile braking system to monitor wheel slippage and engage anti-lock braking automatically is an:

A. Supercomputer Module

B. Mainframe Node

C. Embedded Computer

D. Analog Interface

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Correct Answer: Option C

Explanation:
Embedded computers are dedicated microcontrollers buried within vehicles or machinery to run specialized real-time control software.

This question belongs to: Computer Computer Fundamentals

Question #2

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Which of the following early electronic systems was the first commercial, mass-produced digital computer sold to corporate and government clients?

A. UNIVAC I

B. EDVAC

C. ENIAC

D. EDSAC

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Correct Answer: Option A

Explanation:
UNIVAC I (Universal Automatic Computer) was the first commercial computer produced in the US, designed for business data applications.

This question belongs to: Computer Computer Fundamentals