Which type of computer is used in ATMs and embedded systems? MCQ with Answer and Explanation

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Which type of computer is used in ATMs and embedded systems?

A. Mainframe

B. Embedded computer

C. Supercomputer

D. Microcomputer

Answer: Option B

Solution (By JKSSB Mock Tests)

Embedded computers are specialized systems designed for specific tasks, such as ATMs, microwaves, and car engines.

This question belongs to: Computer Computer Fundamentals

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Question #1

Which component is considered the brain of the computer?

A. Monitor

B. Hard disk

C. RAM

D. CPU

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Correct Answer: Option D

Explanation:
The Central Processing Unit (CPU) is often called the brain of the computer because it executes instructions.

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Question #2

Which of the following is an example of system software?

A. Adobe Photoshop

B. Windows 10

C. Microsoft Word

D. Google Chrome

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Correct Answer: Option B

Explanation:
Operating systems like Windows are system software, while applications are user programs.

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Question #3

An old-school mechanical device consisting of sliding rules and scale markers used by engineers to calculate multiplication and trigonometry via logarithmic scales is a:

A. Difference Engine

B. Slide Rule

C. Digital Calculator

D. Abacus Unit

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Correct Answer: Option B

Explanation:
The Slide Rule is an early analog mechanical calculating device that uses physical alignment lengths on logarithmic scales to perform math.

This question belongs to: Computer Computer Fundamentals

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