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

Question
Which of the following is an example of an output device for sound?
A. Microphone
B. Speaker
C. Headphone jack
D. Sound card
Answer: Option B
Solution (By JKSSB Mock Tests)
A speaker outputs audio signals.
This question belongs to: Computer Computer Fundamentals
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Practice More Computer Fundamentals Questions

Question #1
What does the term 'bit' stand for?
A. Binary digit
B. Basic unit
C. Bit information
D. Binary term
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Correct Answer: Option A

Explanation:
Bit is a contraction of 'binary digit', the smallest unit of data.
This question belongs to: Computer Computer Fundamentals
Question #2
Which basic unit inside the CPU is strictly dedicated to executing arithmetic math like addition, subtraction, multiplication, and division?
A. Logic Unit
B. Control Unit
C. Arithmetic Unit
D. Memory Unit
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Correct Answer: Option C

Explanation:
The arithmetic unit (a subdivision of the ALU) handles basic mathematical computations like addition, subtraction, multiplication, and division.
This question belongs to: Computer Computer Fundamentals
Question #3
What is the main difference between a mainframe and a supercomputer?
A. Mainframes are optimized for transaction processing, supercomputers for number crunching
B. Supercomputers handle multiple users better
C. No difference
D. Mainframes are faster
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Correct Answer: Option A

Explanation:
Mainframes excel at handling many transactions (e.g., banking), while supercomputers excel at complex mathematical computations.
This question belongs to: Computer Computer Fundamentals
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