Operating system questions answers cpu scheduling

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Operating system questions answers cpu scheduling

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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
Question 1 Explanation: 
User level threads are managed by thread library and the kernel is unaware of them.
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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
There are 5 questions to complete.

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