In Linux, the file /etc/passwd contains: MCQ with Answer and Explanation

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In Linux, the file /etc/passwd contains:

A. Group information

B. Encrypted passwords

C. User account information

D. System hostname

Answer: Option C

Solution (By JKSSB Mock Tests)

/etc/passwd stores user account data such as username, UID, home directory, and shell; passwords are stored separately in /etc/shadow.

This question belongs to: Computer Operating Systems

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What is the purpose of the Android 'Download Manager'?

A. To handle long-running downloads in the background

B. To prioritize download speed

C. To manage files in the Downloads folder

D. To scan downloads for malware

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Correct Answer: Option A

Explanation:
Download Manager runs background downloads, supports pause/resume, and notifies user upon completion.

This question belongs to: Computer Operating Systems

Question #2

Which Windows tool is used to schedule tasks to run automatically at specified times?

A. Performance Monitor

B. System Configuration

C. Event Viewer

D. Task Scheduler

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Correct Answer: Option D

Explanation:
Task Scheduler automates script or program execution based on triggers like time, events, or system startup.

This question belongs to: Computer Operating Systems

Question #3

Which of the following options represents a core feature of asymmetric multiprocessing (AMP)?

A. All processors have completely equal priority and share all resources.

B. A master processor schedules tasks and distributes distinct workloads to specific slave processors.

C. Memory is physically isolated and cannot be read by any processor core.

D. No two processors can be active inside the motherboard enclosure at the same time.

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Correct Answer: Option B

Explanation:
In Asymmetric Multiprocessing (AMP), there is a master-slave structure where a single master controller processor manages system resources and schedules tasks for subordinate processors.

This question belongs to: Computer Operating Systems

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