Which number system is used internally by computers? MCQ with Answer and Explanation

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Which number system is used internally by computers?

A. Decimal

B. Hexadecimal

C. Octal

D. Binary

Answer: Option D

Solution (By JKExamLibrary)

Computers use binary (base-2) because electronic switches can represent two states: on/off.

This question belongs to: Computer Computer Fundamentals

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Practice More Computer Fundamentals Questions

Question #1 Report Error

A type of specialized computer chip embedded directly inside an automobile braking system to monitor wheel slippage and engage anti-lock braking automatically is an:

A. Mainframe Node

B. Analog Interface

C. Embedded Computer

D. Supercomputer Module

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Correct Answer: Option C

Explanation:
Embedded computers are dedicated microcontrollers buried within vehicles or machinery to run specialized real-time control software.

This question belongs to: Computer Computer Fundamentals

Question #2 Report Error

Which metric evaluates the internal processing throughput of older mainframe systems, indicating how many millions of instructions can be resolved per second?

A. Hertz

B. Baud

C. MIPS

D. FLOPS

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Correct Answer: Option C

Explanation:
MIPS (Millions of Instructions Per Second) is an older computing standard used to track general integer instruction processing speeds.

This question belongs to: Computer Computer Fundamentals