(A) Throughput
(B) Arrival time
(C) Waiting time
(D) Response time
Tag: Operating System
Which of the following is a program that prevents simultaneous access to a shared resource?
(A) Mutual exclusion
(B) Signal handling
(C) System call
(D) Thread cancellation
This is used to create a new process which becomes the child process of the caller is known as?
(A) System call
(B) Signal handling
(C) Mutual exclusion
(D) Thread cancellation
Number of processes completed per unit time is termed as?
(A) Turnaround time
(B) Response time
(C) Throughput
(D) Waiting time
Which of the following is a data structure maintained by job scheduler software?
(A) Process queue
(B) Execution queue
(C) Job queue
(D) Ready queue
What is disk access time?
(A) Rotational time+Transfer time
(B) Seek time+Transfer Time
(C) Seek Time+Rotational time
(D) Seek time+Rotational time+Transfer time
In __ algorithm the disk arm goes as far as the final request in each direction then reverses direction immediately without going to the end of the disk.
(A) SCAN
(B) LOOK
(C) C-SCAN
(D) C-LOOK
In __ policy when the last track has been visited in one direction the arm is returned to the opposite end of the disk without visiting any request and the scan begins again.
(A) SCAN
(B) Circular SCAN
(C) Shortest seek time first
(D) First in First Out