What is the binary equivalent of decimal 15? MCQ with Answer and Explanation

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What is the binary equivalent of decimal 15?

A. 1111

B. 1101

C. 1110

D. 1011

Answer: Option A

Solution (By JKSSB Mock Tests)

15 = 8+4+2+1 = 1111.

This question belongs to: Computer Computer Fundamentals

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Question #1

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Which generation of computers introduced Very Large Scale Integration (VLSI) and witnessed the birth of the commercial internet and laptop computers?

A. Fifth Generation

B. Fourth Generation

C. Second Generation

D. Third Generation

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Correct Answer: Option B

Explanation:
The Fourth Generation used VLSI chips, enabling the development of standard personal computers, laptops, and modern networks.

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Question #2

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What is the purpose of a register in a CPU?

A. To perform arithmetic

B. To manage memory

C. To control input/output

D. To store temporary data and instructions

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Correct Answer: Option D

Explanation:
Registers are small, fast storage locations for temporary data during processing.

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Question #3

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What does RAM stand for?

A. Run Access Memory

B. Remote Access Memory

C. Read Access Memory

D. Random Access Memory

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Correct Answer: Option D

Explanation:
RAM stands for Random Access Memory, which is volatile memory used for temporary data storage during processing.

This question belongs to: Computer Computer Fundamentals

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