operating system Practice Questions Answers Test with Solutions & More Shortcuts

Question : 46

Multithreading allows

a) To run threads concurrently

b) To run threads independently

c) A is true, B is false

d) A and B both true.

Question : 47

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 : 48

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 : 49

Following is not the state of Five-State process model

a) Ready

b) Running

c) Not Running

d) New.

Question : 50

The FIFO algorithm

a) executes first the job that last entered the queue

b) executes first the job that first entered the queue

c) executes first the job with the least processor needs

d) executes first the job that has been in the queue the longest