Operating system mcqs threads ult klt

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Operating system mcqs threads ult klt

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The kernel is ..... of user threads.
A
a part of
B
the creator of
C
unaware of
D
aware of
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Multithreading an interactive program will increase responsiveness to the user by .....
A
continuing to run even if a part of it is blocked
B
waiting for one part to finish before the other begins
C
asking the user to decide the order of multithreading
D
none of the mentioned
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If a kernel thread performs a blocking system call, .....
A
the kernel can schedule another thread in the application for execution
B
the kernel cannot schedule another thread in the same application for execution
C
the kernel must schedule another thread of a different application for execution
D
the kernel must schedule another thread of the same application on a different processor
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Because the kernel thread management is done by the Operating System itself .....
A
kernel threads are faster to create than user threads
B
kernel threads are slower to create than user threads
C
kernel threads are easier to manage as well as create then user threads
D
none of the mentioned
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Multithreading on a multi - CPU machine .....
A
decreases concurrency
B
increases concurrency
C
doesn't affect the concurrency
D
can increase or decrease the concurrency
There are 5 questions to complete.

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