Operating system questions answers cpu scheduling

 

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Operating system questions answers cpu scheduling

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Question 1
Which one of the following can not be scheduled by the kernel?
A
kernel level thread
B
user level thread
C
process
D
none of the mentioned
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Question 1 Explanation: 
User level threads are managed by thread library and the kernel is unaware of them.
Question 2
Which algorithm is defined in Time quantum?
A
shortest job scheduling algorithm
B
round robin scheduling algorithm
C
priority scheduling algorithm
D
multilevel queue scheduling algorithm
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Question 3
In multilevel feedback scheduling algorithm .....
A
a process can move to a different classified ready queue
B
classification of ready queue is permanent
C
processes are not classified into groups
D
none of the mentioned
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Question 4
In priority scheduling algorithm .....
A
CPU is allocated to the process with highest priority
B
CPU is allocated to the process with lowest priority
C
Equal priority processes can not be scheduled
D
None of the mentioned
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Question 5
The interval from the time of submission of a process to the time of completion is termed as .....
A
waiting time
B
turnaround time
C
response time
D
throughput
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There are 5 questions to complete.

 

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