operating system Practice Questions Answers Test with Solutions & More Shortcuts

Question : 21

Hard real-time tasks are

a) A real time task that do not require dead line constraints.

b) A real time task that requires dead line constraints.

c) A task independent to time when it occurs.

d) None of these.

Question : 22

The operating system control tables maintain process tables, because

a) These tables manages I/O devices

b) These tables manages files

c) These tables manages memory

d) None of these.

Question : 23

Real-time systems are

a) primarily used on mainframe computers

b) used for monitoring events as they occur

c) used for program development

d) used for real-time interactive users.

Question : 24

High paging rate

a) may cause high I/O rate

b) keeps the systems running well

c) is a symptom of too much processor activity

d) always creates a slow system

Question : 25

For Load-time dynamic linking

a) Load module (application module) to be loaded is read into memory.

b) Some of the linking is postponed until execution time.

c) External references to target modules remain in the loaded program.

d) None of these.