Table of Content

UGC NET Computer Science : June 2012 – Paper 3 (Solved Papers)


Question 1
The mechanism that binds code and data together and keeps them secure from outside world is known as
A
Inheritance
B
Abstraction
C
Encapsulation
D
Polymorphism
Question 2
Identify the addressing modes of below instructions and match them :
(a) ADI         (1) Immediate addressing
(b) STA         (2) Direct addressing
(c) CMA         (3) Implied addressing
(d) SUB         (4) Register addressing
A
a – 1, b – 2, c – 3, d – 4
B
a – 4, b – 3, c – 2, d – 1
C
a – 2, b – 1, c – 4, d – 3
D
a – 3, b – 2, c – 1, d – 4
Question 3
Which one of the following is not a Greibach Normal form grammar? 1.
S ® a|bA|aA|bB
A ® a
B ® b
2.
S ® a|aA|AB
A ® a
B ® b
3.
S ® a|A|aA
A ® a
A
(ii) and (iii)
B
(i) and (ii)
C
(i) and (iii)
D
(i), (ii) and (iii)
Question 4
Which of the following IP address class is a multicast address ?
A
Class D
B
Class B
C
Class A
D
Class C
Question 5
While unit testing a module, it is found that for a set of test data, maximum 90% of the code alone were tested with a probability of success 0.9. The reliability of the module is -
A
atleast 1/0.81
B
atmost 0.81
C
atleast greater than 0.9
D
equal to 0.9