operating system set 6 Detailed Explanation And More Example

Question : 1

Windows XP is

a) Uni-programming processes

b) Multi programming processes

c) Hardware

d) None of these.

Question : 2

The concept used to support multi programming environment on a computer is

a) Virtual memory

b) Hierarchy of physical memory

c) Display of multiple windows

d) None the above.

Question : 3

Cache memory is

a) Bigger and slower than main memory

b) Bigger and faster that main memory

c) Smaller and slower than main memory

d) Smaller and faster than main memory

Question : 4

Stub

a) is included in the image for each library routine reference

b) is small piece of code that indicates how to locate the appropriate memory resident library routine

c) how to load the library if the routine is not already present

d) all of the above

Question : 5

Match the following access rights:

• A-Specific user, B-User group, C-All ;
• 1- Individual user who are designated by user I, 2-A set of users who are individually defined, 3-Every user has access to the system.

a) A - 1, B - 2, C - 3

b) A - 2, B - 1, C - 3

c) A - 1, B - 3, C - 2

d) A - 3, B - 2, C - 1

Question : 6

By principle of locality, in least recently used policy, in memory management

a) The page replaced in memory is least likely to be referenced in the near future.

b) The page replaced in memory is most likely to be referenced in the near future.

c) The pages replaced in memory in round-robin fashion.

d) None of these.