OS Processes
What is a long-term scheduler?
It selects processes which have to be brought into the ready queue
It selects processes which have to be executed next and allocates CPU
It selects processes which heave to remove from memory by swapping
None of the mentioned
It selects processes which have to be brought into the ready queue
A long-term scheduler selects processes which have to be brought into the ready queue. When processes enter the system, they are put in the job queue. Long-term scheduler selects processes from the job queue and puts them in the ready queue. It is also known as Job Scheduler.
It selects processes which have to be brought into the ready queue A long-term scheduler selects processes which have to be brought into the ready queue. When processes enter the system, they are put in the job queue. Long-term scheduler selects processes from the job queue and puts them in the ready queue. It is also known as Job Scheduler.
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If a process fails, most operating system write the error information to a ______A. log file
B. another running process
C. new file
D. none of the mentioned
A process can be terminated due to __________
A. normal exit
B. fatal error
C. killed by another process
D. all of the mentioned
The number of processes completed per unit time is known as __________
A. Output
B. Throughput
C. Efficiency
D. Capacity
The primary distinction between the short term scheduler and the long term scheduler is __________
A. The length of their queues
B. The type of processes they schedule
C. The frequency of their execution
D. None of the mentioned
What is the objective of multiprogramming?
A. Have a process running at all time
B. Have multiple programs waiting in a queue ready to run
C. To increase CPU utilization
D. None of the mentioned
What is a short-term scheduler?
A. It selects which process has to be brought into the ready queue
B. It selects which process has to be executed next and allocates CPU
C. It selects which process to remove from memory by swapping
D. None of the mentioned
When the process issues an I/O request __________
A. It is placed in an I/O queue
B. It is placed in a waiting queue
C. It is placed in the ready queue
D. It is placed in the Job queue
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