Which of the following is a type of operating system used in embedded systems? MCQ with Answer and Explanation

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Which of the following is a type of operating system used in embedded systems?

A. Windows 10

B. Ubuntu

C. macOS

D. RTOS

Answer: Option D

Solution (By JKSSB Mock Tests)

Real-time operating systems (RTOS) are common in embedded devices requiring predictable timing.

This question belongs to: Computer Operating Systems

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In Android, which component is responsible for handling user input and events?

A. Sensor Manager

B. Window Manager

C. View System

D. Activity Manager

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Correct Answer: Option C

Explanation:
The View System includes UI widgets and handles input events like touches, key presses, and gestures.

This question belongs to: Computer Operating Systems

Question #2

Which Linux command is used to view the contents of a file one page at a time?

A. less

B. more

C. head

D. cat

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Correct Answer: Option A

Explanation:
less allows forward and backward scrolling, more is older and only forward; cat dumps all content.

This question belongs to: Computer Operating Systems

Question #3

In Windows, the 'Event Log' service stores logs in which format?

A. .txt

B. .log

C. .xml

D. .evtx

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Correct Answer: Option D

Explanation:
Windows event logs are stored in .evtx (Event Log XML) format; they can be read by Event Viewer.

This question belongs to: Computer Operating Systems

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