operating system Practice Questions Answers Test with Solutions & More Shortcuts

Question : 1

• Statement A:
• In memory management, the replacement policy deals with the selection of pages in memory to be replaced by an arrived new page.
• Statement B:
• In memory management, the policy the fetch policy determines when a page should be bought into main memory.

a) A and B both false

b) A and B both true

c) A is true, B is false

d) A is false, B is true

Question : 2

Which structure prohibits the sharing of files and directories

a) tree structure

b) one level structure

c) two level structure

d) none of these

Question : 3

Moving process from main memory to disk is called

a) Scheduling

b) Cache

c) Swapping

d) Spooling

Question : 4

Following illustrates Associative Memory

a) The address of the data is supplied by the user

b) Same as the tracks associated with disk memory

c) No need for address; information is used as address

d) Data is accessed serially

Question : 5

If normalized turnaround time of different process are given. Then Highest response ratio next policy in uni processor 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.