Sunday 26 July 2015

UGC NET COMPUTER SCIENCE SOLVED QUESTION AND ANSWERS


UGC NET COMPUTER SCIENCE SOLVED QUESTION AND ANSWERS

1. Which of the following is the function of mid-term scheduler in a time-sharing system?
(a) Process creation (b) Context switching
(c) Swapping (d) Controlling degree of multiprogramming
Ans.: b

2. To avoid the race condition, the number of processes that may be simultaneously inside their critical section is
(a) 8 (b) 1 (c) 16 (d) 0
Ans.: b

3. Thrashing
(a) is a natural consequence of virtual memory systems
(b) can always be avoided by swapping
(c) always occurs on large computers
(d) can be caused by poor paging algorithms
Ans.: d