operating system set 3 Detailed Explanation And More Example

Question : 1

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 : 2

Which of the following is not an address register?

a) Index register

b) Segment pointer

c) Stack pointer

d) Data register.

Question : 3

Instruction register contains

a) The address of an instruction to be fetched.

b) The instructions most recently fetched.

c) The data to be written into memory.

d) The data to be read from memory.

Question : 4

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 : 5

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 : 6

In memory management :

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

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

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

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