Which of the following is a type of scheduler that decides which processes are admitted to the system? MCQ with Answer and Explanation

Question
Which of the following is a type of scheduler that decides which processes are admitted to the system?
A. Medium-term scheduler
B. Short-term scheduler
C. I/O scheduler
D. Long-term scheduler
Answer: Option D
Solution (By JKSSB Mock Tests)
The long-term scheduler controls the degree of multiprogramming by selecting processes from the job queue for execution.
This question belongs to: Computer Operating Systems
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Question #1
Which component of the Linux operating system translates user terminal text commands directly into specific actions understood by the kernel?
A. Shell
B. GUI Desktop
C. BIOS
D. Compiler
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Correct Answer: Option A

Explanation:
The shell is a specialized command-line interpreter program that accepts text inputs from the user and executes system commands via the kernel.
This question belongs to: Computer Operating Systems
Question #2
Which Linux command is used to compress files using the gzip algorithm?
A. zip
B. tar
C. bzip2
D. gzip
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Correct Answer: Option D

Explanation:
gzip compresses files using the Lempel-Ziv coding (LZ77) with a .gz extension; zip is a different format, and tar is an archiver.
This question belongs to: Computer Operating Systems
Question #3
What is the purpose of the Android 'Package Manager'?
A. To manage system packages and libraries
B. To manage notifications
C. To handle content providers
D. To install, upgrade, and remove applications on the device
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Correct Answer: Option D

Explanation:
Package Manager is responsible for installation, update, and removal of apps, managing APK files and application metadata.
This question belongs to: Computer Operating Systems
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