What does 'Symmetric Multiprocessing (SMP)' achieve compared to asymmetric multiprocessing? MCQ with Answer and Explanation

Question
What does 'Symmetric Multiprocessing (SMP)' achieve compared to asymmetric multiprocessing?
A. SMP binds the operating system kernel execution strictly to a single master processor.
B. SMP operates without using physical random access memory modules.
C. SMP isolates memory blocks from being modified by applications.
D. SMP allows all processors to handle any workload in parallel without a single bottleneck master node.
Answer: Option D
Solution (By JKSSB Mock Tests)
SMP distributes operating system overhead and user execution dynamically across all available peer processors, eliminating master-slave bottlenecks.
This question belongs to: Computer Operating Systems
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Question #1
Which of the following is a type of multiprocessing where each processor runs its own copy of the OS?
A. Symmetric clustering
B. Symmetric multiprocessing
C. Distributed processing
D. Asymmetric multiprocessing
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Correct Answer: Option D

Explanation:
In asymmetric multiprocessing, a master processor runs the OS and allocates tasks to slave processors; each may have its own OS.
This question belongs to: Computer Operating Systems
Question #2
Which Linux pseudo-filesystem acts as an interface to internal kernel data structures, allowing users to query live CPU parameters or memory statistics via text files?
A. /bin
B. /etc
C. /lib
D. /proc
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Correct Answer: Option D

Explanation:
The '/proc' directory is a virtual, process information pseudo-filesystem that exposes live kernel statistics and active process metadata as text files.
This question belongs to: Computer Operating Systems
Question #3
Which command-line tool in Linux displays the current amount of free and used physical memory (RAM) and swap space within the system?
A. free
B. meminfo
C. top -s
D. df
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Correct Answer: Option A

Explanation:
The 'free' command parses system configuration details to quickly display total, used, and available physical memory along with swap parameters.
This question belongs to: Computer Operating Systems
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