operating system set 4 Detailed Explanation And More Example

Question : 1

The principal function of a process is

a) To execute machine instructions residing in main memory.

b) To execute assembly instructions residing outside main memory.

c) A and B both true.

d) A and B both false.

Question : 2

The memory allocation scheme subject to external fragmentation is

a) segmentation

b) swapping

c) pure demand paging

d) multiple contiguous fixed partitions

Question : 3

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 : 4

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 : 5

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 : 6

Which is/are the most important features of Microsoft windows program?

a) Windows

b) Pull-down menus

c) Icons

d) All of the above