operating system set 5 Detailed Explanation And More Example

Question : 1

Memory management is

a) not used in modern operating systems

b) replaced with virtual memory on current systems

c) not used on multiprogramming systems

d) critical for even the simplest operating systems

Question : 2

Allocate the smallest hole that. is big enough is called

a) first fit

b) best fit

c) worst fit

d) all of the above

Question : 3

Relative address in memory management is

a) Independent of some known point

b) Dependent to some known point

c) Actual location in the main memory

d) None of these.

Question : 4

When a frame in main memory is locked

a) The page currently stored in that frame can be replaced.

b) The page currently stored in that frame cannot be replaced.

c) Pages currently in frame can be removed in round-robin style.

d) None of these.

Question : 5

In memory management Free page list is: A- A list of page frames available for reading in pages. B- A list where the replaced page is assigned without modification. C-A list where the replaced page is assigned with modification.

a) A, B, C are true

b) A and B are true

c) A and C are true

d) B and C are true.

Question : 6

On magnetic disks, the data on the platter is organized in a concentric sets of rings called

a) Sectors

b) Gaps

c) Rings

d) Tracks