Which of the following is an example of an output device for sound? MCQ with Answer and Explanation

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Which of the following is an example of an output device for sound?

A. Speaker

B. Sound card

C. Microphone

D. Headphone jack

Answer: Option A

Solution (By JKSSB Mock Tests)

A speaker outputs audio signals.

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Question #1

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Which of the following is an example of a general-purpose computer?

A. Laptop

B. Smart thermostat

C. Digital watch

D. Medical monitor

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Correct Answer: Option A

Explanation:
A laptop is a general-purpose computer capable of running various applications.

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Question #2

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What does BIOS provide?

A. Low-level control of peripherals

B. Graphical user interface

C. Internet connectivity

D. File management

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Correct Answer: Option A

Explanation:
BIOS provides low-level control over hardware, such as keyboard and display, during boot process.

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Question #3

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A type of small computer that is designed to fit entirely onto a single circuit board, containing a microprocessor, RAM, and basic I/O interfaces for hobbyists is a:

A. Supercomputer

B. Analog Controller

C. Mainframe

D. Single-board Microcomputer

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Correct Answer: Option D

Explanation:
Single-board computers (like the Raspberry Pi) are full microcomputers built on a lone circuit board, widely used for embedded projects.

This question belongs to: Computer Computer Fundamentals

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