Table of Content

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


Question 1
Which layer of OSI reference model uses the ICMP (Internet Control Message Protocol) ?
A
Transport layer
B
Application layer
C
Network layer
D
Data link layer
Question 2
Which one of the following binary search tree is optimal, if probabilities of successful search and unsuccessful search are same ?
A
B
C
D
Question 3
The regular expression for the following DFA is -
A
a*b(b * + aa*b)*
B
a*b(b + aa*b)*
C
ab*(b + aa*b)*
D
a*b(b* + aa*b)
Question 4
Which diagram provides a formal graphic notation for modelling objects, classes and their relationships to one another ?
A
Instance diagram
B
Object diagram
C
Analysis diagram
D
Class diagram
Question 5
A computer system supports 32 bit virtual address as well as 32 bit physical addresses. Since the virtual address space is of same size as that of physical address space, if we want to get rid of virtual memory, which one of the following is true ?
A
The processor cache can be made more efficient.
B
CPU scheduling can be made more efficient.
C
Hardware support for memory management is not needed.
D
Efficient implementation of multiuser support is no longer possible.

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