What is the decimal equivalent of hexadecimal 1A? MCQ with Answer and Explanation

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What is the decimal equivalent of hexadecimal 1A?

A. 28

B. 27

C. 29

D. 26

Answer: Option D

Solution (By JKSSB Mock Tests)

1A = 1*16 + 10 = 26.

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Question #1

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Which of the following is a type of software?

A. Hard disk

B. CPU

C. Operating system

D. Printer

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Correct Answer: Option C

Explanation:
Operating system is software; others are hardware.

This question belongs to: Computer Computer Fundamentals

Question #2

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Which of the following is a common input device for playing games?

A. Joystick

B. Speaker

C. Printer

D. Plotter

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Correct Answer: Option A

Explanation:
A joystick is an input device commonly used for gaming and simulations.

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Question #3

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The internal storage unit that holds data, instructions, and intermediate results during active execution inside the computer is the:

A. Primary Memory

B. Secondary Memory

C. Auxiliary Storage

D. Control Memory

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Correct Answer: Option A

Explanation:
Primary Memory (RAM) holds data, programs, and intermediate computation states while they are actively being processed by the CPU.

This question belongs to: Computer Computer Fundamentals

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