In Windows, the 'Windows Update' service is responsible for: MCQ with Answer and Explanation

Question
In Windows, the 'Windows Update' service is responsible for:
A. Managing system restore points
B. Downloading and installing updates for the OS and other Microsoft products
C. Installing new applications
D. Updating device drivers
Answer: Option B
Solution (By JKSSB Mock Tests)
Windows Update provides security patches, feature updates, and driver updates from Microsoft.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which of the following is a type of process scheduling algorithm that uses multiple queues with different priorities?
A. First-Come, First-Served
B. Priority Scheduling
C. Round Robin
D. Multilevel Queue Scheduling
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Correct Answer: Option D

Explanation:
Multilevel queue partitions processes into separate queues based on priority, with scheduling policies for each queue.
This question belongs to: Computer Operating Systems
Question #2
Which Linux command is used to show the system's current date and time?
A. date
B. clock
C. time
D. timedatectl
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Correct Answer: Option A

Explanation:
date displays and sets the system date/time; timedatectl is systemd's tool for date/time management.
This question belongs to: Computer Operating Systems
Question #3
Which structural concept refers to a piece of code that must execute atomically and cannot be accessed by more than one process at any given moment?
A. Shared Page Room
B. Deadlock Loop
C. Critical Section
D. System Hook
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Correct Answer: Option C

Explanation:
The Critical Section is a structural segment of program code that accesses shared resources or variables and must not be concurrently executed by multiple processes.
This question belongs to: Computer Operating Systems
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