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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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
CPU scheduling is the basis of ___________
A. multiprocessor systems
B. multiprogramming operating systems
C. larger memory sized systems
D. none of the mentioned
With multiprogramming ______ is used productively
A. time
B. space
C. money
D. all of the mentioned
What are the two steps of a process execution?
A. I/O & OS Burst
B. CPU & I/O Burst
C. Memory & I/O Burst
D. OS & Memory Burst
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