operating system set 4 Detailed Explanation And More Example

Question : 1

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 : 2

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 : 3

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.

Question : 4

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 : 5

A disk scheduling algorithm in an operating system causes the disk arm to seek back and forth access the disc surface servicing all request in its path, this is a

a) first come first served

b) shortest seek time first

c) scan

d) None of these

Question : 6

The following RAID level employer parallel access technique and single redundant disk

a) RAID level 0

b) RAID level 1

c) RAID level 2

d) RAID level 3