Question Detail

If the CPU scheduling policy is FCFS, then what would be average waiting time ?

10 ms
10.8 ms
12 ms
12.8 ms

Answer: Option D

Similar Questions :

1. What is a page fault ?

is an spelling error in a page in memory
is a reference to a page which is in another program
is an access to a page not currently in memory
always occurs whenever a page is accessed

Answer: Option C

2. Which type of software can be used to merge data of two files in one file ?

System software
Networking software
Documenting software
Utility Software

Answer: Option D

3. Disk scheduling involves deciding ?

which disk should be accessed next
the order in which disk access request should be made
physical location of files
type of disks a system should have

Answer: Option B

4. Which of the following is always there in a computer ?

Batch system
Operating system
Time sharing system
Controlling system

Answer: Option B

5. File record length

Should be chosen to match the data characteristics
should be fixed
should be variable
vary system to system

Answer: Option A

Read more from - Operating System Questions Answers - Set 2