operating system Practice Questions Answers Test with Solutions & More Shortcuts

Question : 1

Execution time

a) where the process will reside in memory, then absolute code can be generated

b) where the process will reside in memory, then the compiler must generate relocatable code

c) if the process can be moved during its execution from one memory segment to another

d) all of the above

Question : 2

The strategy of allowing process that are logically run able to be temporarily suspended is called

a) preemptive scheduling

b) non preemptive scheduling

c) shortest job first

d) first come first served

Question : 3

If normalized turnaround time of different process are given. Then Highest response ratio next policy in uniprocessor scheduling policy selects.

a) The ready process with lowest normalized turnaround time.

b) The ready process with highest normalized turnaround time.

c) The process with shortest expected processing time.

d) The process with highest expected processing time.

Question : 4

In bit table used for Free space management in secondary storage

a) Bit zero corresponds to free block

b) Bit one corresponds to free block

c) Bit zero corresponds to block in use

d) None of these

Question : 5

A Absolute loading B Re-locatable loading C Dynamic Run-Time loading; 1. For loader, load module, either is an absolute main memory address or specific address reference. 2. For loader, load modules have no absolute address. 3. For loader, load modules have all memory reference in relative form.

a) A - 1, B - 2, C - 3

b) A - 2, B - 3 , C - 1

c) A - 1, B - 3, C - 2

d) A - 3, B - 2, C - 1