operating system set 4 Detailed Explanation And More Example

Question : 1

In the given operating system match the correct (i) Thread (ii) Process (A) The unit of resource ownership. (B) The unit of dispatching.

a) (i) A and (ii) B

b) (i) B and (ii) A

c) (i) A, B

d) (ii) A, B.

Question : 2

Resident set of process is

a) Portion of a process that is actually in main memory at any time.

b) Portion of a process that is actually in virtually memory at any time.

c) A and b both true.

d) None of these.

Question : 3

In I/O management when buffering is allowed then : Statement A: Input transfer is performed before request is made. Statement B: Output transfer is performed after request is made. Statement A and B are both true

a) Statement A and B are both false

b) Statement A is true but Statement B is false

c) Statement B is true but statement A is false.

d) None of these.

Question : 4

In disk scheduling, the seek time is

a) The time taken to position the head at the track.

b) The time taken to reach the beginning of sector once the track is selected.

c) A and B both.

d) None of these.

Question : 5

I/O redirection

a) implies changing the name of a file

b) can be employed to use an exiting file as input file for a program

c) implies connection to programs through a pipe

d) none of the above

Question : 6

The MS-DOS an operating system supports

a) Single user process and multiple threads

b) Multiple user process and single thread

c) Single user process and single thread

d) Multiple user processes and multiple threads.