operating system set 4 Detailed Explanation And More Example

Question : 1

In uni-processor management processor through put

a) Is a measure of how much work is being performed

b) Is the percentage of time that the processor is busy

c) Is a time interval between the submission of a process and its completion

d) None of these

Question : 2

Complex scheduling algorithms

a) use more resources than they gain

b) recover more resources than they use

c) always use many resources

d) are most appropriate for very large computers

Question : 3

Following is not the state of Five-State process model

a) Ready

b) Running

c) Not Running

d) New.

Question : 4

The allocation map

a) is used to store program data

b) specifies which blocks are used by which file

c) is updated by applications programs

d) allows programs to erase files

Question : 5

The trace of the process is

a) A set of instructions that execute process

b) A listing of sequence of instructions that execute process

c) A track of network

d) None of these.

Question : 6

• Statement A:
• The placement policy determines where in real memory a process piece is to reside.
• Statement B:
• The fetch policy determines when a page should be bought into main memory.

a) A and B both true

b) A and B both false

c) A is true, B is false

d) A is false, B is true