What does the term 'multiprocessing' refer to? MCQ with Answer and Explanation

Question
What does the term 'multiprocessing' refer to?
A. Running multiple programs on a single CPU
B. The ability to process multiple tasks simultaneously in a single program
C. Using multiple operating systems on one computer
D. The use of two or more CPUs within a single computer system
Answer: Option D
Solution (By JKSSB Mock Tests)
Multiprocessing involves multiple CPUs (or cores) to execute multiple processes in parallel, improving performance.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
What is the main advantage of a 64-bit operating system over a 32-bit one?
A. Smaller file sizes
B. Ability to address more than 4 GB of RAM
C. Faster CPU speed
D. Better graphics performance
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Correct Answer: Option B

Explanation:
64-bit OS can address larger memory space (theoretically up to 16 exabytes) compared to 32-bit's 4 GB limit.
This question belongs to: Computer Operating Systems
Question #2
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. kthreadd
B. init (or systemd)
C. bash
D. cron
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Correct Answer: Option B

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 #3
Which of the following is NOT a valid process state in a typical operating system?
A. Ready
B. New
C. Paused
D. Running
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Correct Answer: Option C

Explanation:
Standard states are new, ready, running, blocked, terminated; 'paused' is not a standard OS process state.
This question belongs to: Computer Operating Systems
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