operating system Practice Questions Answers Test with Solutions & More Shortcuts

Question : 11

In disk storage devices the width of head is:

a) Same of the track

b) More than of the track

c) Less than of the track

d) None is true.

Question : 12

Match the following I/O devices : A- Keyboard, 1- Human readable, B- Disk and tape drives, 2- Communication, C- Modems, 3-Machine readable

a) A - 1, B - 3, C - 2

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

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

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

Question : 13

Multiprocessing models have

a) symmetric multiprocessing model

b) asymmetric multiprocessing model

c) both (A) and (B) above

d) None of these

Question : 14

Which of the following is an example of a spooled device?

a) A line printer used to print the output of a number of jobs

b) A terminal used to enter input data to a running program

c) A secondary storage device in a virtual memory system

d) A graphic display device

Question : 15

Which of the following is not an address register?

a) Index register

b) Segment pointer

c) Stack pointer

d) Data register.