What is the octal equivalent of binary 101? MCQ with Answer and Explanation

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What is the octal equivalent of binary 101?

A. 4

B. 5

C. 6

D. 7

Answer: Option B

Solution (By JKSSB Mock Tests)

Binary 101 = decimal 5, which is octal 5.

This question belongs to: Computer Computer Fundamentals

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Question #1

What is the main feature of analog computers?

A. Process continuous data

B. Use binary

C. Process discrete data

D. High precision

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Correct Answer: Option A

Explanation:
Analog computers process continuous data, such as voltage or temperature, unlike digital computers.

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. Memory Unit

C. Arithmetic Unit

D. Control 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.

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Question #3

The fundamental, non-stop processing loop of a standard computer system follows which sequential chain of operations?

A. Process -> Fetch -> Execute

B. Storage -> Input -> Process

C. Output -> Control -> Process

D. Input -> Process -> Output

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Correct Answer: Option D

Explanation:
All computers work on the core Input-Process-Output (IPO) cycle, transforming raw input data into structured output information.

This question belongs to: Computer Computer Fundamentals

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