What happens when a computer enters 'Sleep Mode' in Windows? MCQ with Answer and Explanation

What happens when a computer enters 'Sleep Mode' in Windows?
A. The system logs out all users and runs a deep virus scan.
B. The computer places its active operational state into RAM and switches to a low-power state, keeping RAM powered.
C. The computer saves state to the hard drive and shuts down power 100%.
D. The OS reformats the system volume completely.
Answer: Option B
Solution (By JKSSB Mock Tests)
Sleep mode places the computer into a minimal power state, preserving all running applications and documents directly inside active RAM memory for near-instant resume times.

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Practice More Operating Systems Questions

Question #1
Which of the following processes is the first user-space process started by the Linux kernel during system initialization, typically having a Process ID (PID) of 1?
A. init (or systemd)
B. cron
C. bash
D. kthreadd

Correct Answer: Option A


Explanation:
The 'init' process (modern distributions use systemd) is the very first process launched by the Linux kernel during boot, and it receives PID 1.

This question belongs to: Computer Operating Systems
Question #2
In a multiprocessor system, what is NUMA?
A. New Unified Memory Access
B. Non-Uniform Memory Access, where memory access times vary based on the processor's location
C. Network Unified Memory Architecture
D. Non-Universal Memory Architecture

Correct Answer: Option B


Explanation:
NUMA is a memory architecture where each processor has local memory, but accessing remote memory takes longer, affecting performance.

This question belongs to: Computer Operating Systems
Question #3
Which of the following is a Linux distribution that is known for its stability and long-term support?
A. Gentoo
B. Ubuntu LTS
C. Arch Linux
D. Fedora

Correct Answer: Option B


Explanation:
Ubuntu LTS (Long Term Support) releases are stable with updates for 5 years, widely used in enterprise.

This question belongs to: Computer Operating Systems