What is the main function of an API? MCQ with Answer and Explanation

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What is the main function of an API?

A. Manages hardware

B. Defines how software components interact

C. Compiles code

D. Provides user interface

Answer: Option B

Solution (By JKSSB Mock Tests)

APIs specify protocols for communication between software programs.

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Which of the following is an example of a desktop publishing software?

A. Excel

B. Adobe InDesign

C. Outlook

D. Word

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Correct Answer: Option B

Explanation:
InDesign is used for page layout and desktop publishing.

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Question #2

Which of the following is a programming tool?

A. Adobe Reader

B. VLC Player

C. Visual Studio

D. Microsoft Word

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Correct Answer: Option C

Explanation:
Visual Studio is an IDE (Integrated Development Environment) used for programming.

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Question #3

What type of application software handles operations like sound editing, video mixing, special effects rendering, and digital music creation?

A. Spreadsheet System Engine

B. Multimedia Editing Software

C. Desktop Publishing Tool

D. Database Management Software

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Correct Answer: Option B

Explanation:
Multimedia editing applications offer specific track timelines, filtering nodes, and render matrices to manipulate digital audio and video files.

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