What is the function of the kernel in an OS? MCQ with Answer and Explanation

Question

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What is the function of the kernel in an OS?

A. Provides user interface

B. Manages hardware and core functions

C. Connects to internet

D. Runs applications

Answer: Option B

Solution (By JKSSB Mock Tests)

The kernel is the core of the OS, managing hardware resources and system services.

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Question #1

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Which metric is the standard unit of measurement for evaluating the high-speed computational performance of modern supercomputers?

A. Hertz

B. MIPS

C. Baud

D. FLOPS

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Correct Answer: Option D

Explanation:
Supercomputer speeds are measured in FLOPS (Floating-Point Operations Per Second) due to the high-precision scientific math they perform.

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Question #2

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Which of the following is a mainframe computer characteristic?

A. Small size

B. Used by a single user

C. High processing power and large storage

D. Low cost

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Correct Answer: Option C

Explanation:
Mainframes are large, powerful computers used by organizations for bulk data processing and support many users simultaneously.

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Question #3

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Which major corporate computing entity was founded directly from the evolution of Herman Hollerith’s Tabulating Machine Company?

A. Intel

B. Microsoft

C. IBM

D. Apple

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Correct Answer: Option C

Explanation:
Hollerith's business merged with others to form the Computing-Tabulating-Recording Company (CTR), which was renamed IBM (International Business Machines) in 1924.

This question belongs to: Computer Computer Fundamentals

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