What is the purpose of the system clock? MCQ with Answer and Explanation

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What is the purpose of the system clock?

A. Controls fan speed

B. Synchronizes operations of components

C. Manages power consumption

D. Measures temperature

Answer: Option B

Solution (By JKSSB Mock Tests)

The system clock provides timing signals to coordinate activities of the CPU and other components.

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Question #1

Which of the following is an output device?

A. Mouse

B. Scanner

C. Keyboard

D. Monitor

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Correct Answer: Option D

Explanation:
A monitor is an output device that displays visual information.

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Question #2

A digital thermometer or an electronic weighing scale that measures physical parameters and displays them as numbers is an example of a:

A. Mainframe Computer

B. Hybrid Computer

C. Pure Analog Computer

D. Pure Digital Computer

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Correct Answer: Option B

Explanation:
Hybrid computers combine analog features (sampling continuous physical data) with digital features (processing and displaying discrete numbers).

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Question #3

What is the full form of EEPROM?

A. Electrically Erasable Programmable Read-Only Memory

B. Electronically Erasable Programmable Read-Only Memory

C. Electrical Erasable Programmable Read-Only Memory

D. Electrically Erasable Programmable Random-Only Memory

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Correct Answer: Option A

Explanation:
EEPROM stands for Electrically Erasable Programmable Read-Only Memory, which can be erased and reprogrammed electrically.

This question belongs to: Computer Computer Fundamentals

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