Sunday 22 February 2015

UGC NET COMPUTER SCIENCE MODEL SOLVED PAPER FOR JUNE 2015

UGC NET COMPUTER SCIENCE MODEL SOLVED PAPER FOR JUNE 2015

1. Time sharing provides
(a) Disk management
 (b) File system management
(c) Concurrent execution
(d) All of the above
Ans.: C

2. A process executes the following code:
for (i=0; i<n; i++)
fork();
The total number of child processes created is
(a) n
 (b) 2n – 1
(c) 2n
(d) 2n+1 – 1
Ans.: B

3. The performance of Round Robin algorithm depends heavily on
(a) Size of the process
 (b) The i/o bursts of the process
(c) The CPU burst of the process
(d) The size of the time quantum
Ans.: D