What is the role of the interrupt handler? MCQ with Answer and Explanation

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What is the role of the interrupt handler?

A. Manages network

B. Manages files

C. Compiles programs

D. Processes interrupt requests from hardware

Answer: Option D

Solution (By JKSSB Mock Tests)

Interrupt handlers respond to hardware events like keyboard input.

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Question #1

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Software that is explicitly designed to manipulate columns and rows of numerical values to perform mathematical, financial, and statistical calculations is a:

A. Presentation Program

B. Word Processor

C. Spreadsheet Application

D. Desktop Publisher

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Correct Answer: Option C

Explanation:
Spreadsheet applications (like Microsoft Excel) handle structured tabular records, numerical analysis, formulas, and graphing functions.

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Question #2

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What is the difference between freeware and open-source software?

A. Freeware is always paid; open-source is free

B. Freeware is free but closed-source; open-source is free and provides source code

C. Freeware provides source code; open-source does not

D. No difference

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Correct Answer: Option B

Explanation:
Freeware is free to use but source code is not available; open-source provides source code.

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Question #3

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What type of software is specifically designed to manage, index, and organize large digital video file libraries, serving them to local media client applications?

A. Device Driver Script

B. System Registry Tool

C. Media Server Software

D. Word Processing Application

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Correct Answer: Option C

Explanation:
Media server applications (like Plex) organize digital media files and stream them over networks to client display applications.

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