operating system set 4 Detailed Explanation And More Example

Question : 1

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 : 2

Following is not the state of Five-State process model

a) Ready

b) Running

c) Not Running

d) New.

Question : 3

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

Question : 4

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 : 5

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 : 6

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.