operating system set 4 Detailed Explanation And More Example

Question : 1

The memory allocation scheme subject to external fragmentation is

a) segmentation

b) swapping

c) pure demand paging

d) multiple contiguous fixed partitions

Question : 2

Processor in computer

a) Controls the operations of the computer/ processes data functions.

b) Stores data and program.

c) Moves data between computer and its external environment.

d) None of these.

Question : 3

Process is

a) a program in high level language kept on disk

b) contents of main memory

c) a program in execution

d) a job in secondary memory

Question : 4

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 : 5

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 : 6

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.