IMPORTANT SOLVED MCQS FOR UGC NET COMPUTER
SCIENCE JUNE 2015
1. Consider
the following transaction involving two bank accounts x and y
read(x);
x := x -50;
write(x); read(y); y := y - 50; write(y)
The
constraint that the sum of the accounts x and y should remain constant is that
of
(A)
Atomicity
(B) Consistency
(C)
Isolation
(D)
Durability
Ans : B
2. Consider
the following two statements
S1:If
a candidate is known to be corrupt, then he will not be elected.
S2:If
a candidate is kind, he will be elected
Which one
of the following statements follows from S1 and S2 as per sound inference
rules
of logic?
(A) If
a person is known to be corrupt, he is kind
(B) If
a person is not known to be corrupt, he is not kind
(C) If
a person is kind, he is not known to be corrupt.
(D) If
a person is not kind, he is not known to be corrupt.
Ans : C
3. A
software requirements specification (SRS) document should avoid discussing
which
one of
the following?
(A)
User Interface issues
(B)
Non-functional requirements
(C)
Design Specification
(D)
Interfaces with third party software
Ans : C