Table of Content

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


Question 1
If two fuzzy sets A and B are given with membership functions
μA(x) = {0.2, 0.4, 0.8, 0.5, 0.1}
μB(x) = {0.1, 0.3, 0.6, 0.3, 0.2}
Then the value of μ(A∩B) will be
*Note : This is wrongly asked question in the exam.
A
{0.1, 0.3, 0.6, 0.3, 0.1}
B
{0.9, 0.7, 0.4, 0.8, 0.9}
C
{0.7, 0.3, 0.4, 0.2, 0.7}
D
{0.2, 0.4, 0.8, 0.5, 0.2}
Question 2
Match the following :
(1) OLAP              (a) Regression
(2) OLTP              (b) Data Warehouse
(3) Decision Tree     (c) RDBMS
(4) Neural Network    (d) Classification
A
a-2, b-3, c-1, d-4
B
a-3, b-2, c-1, d-4
C
a-3, b-2, c-4, d-1
D
a-2, b-3, c-4, d-1
Question 3
Which level of Abstraction describes what data are stored in the Database ?
A
View level
B
Physical level
C
Logical level
D
Abstraction level
Question 4
The problem that occurs when one transaction updates a database item and then the transaction fails for some reason is ________.
A
Dirty Read Problem
B
None
C
Temporary Modify Problem
D
Temporary Select Problem
Question 5
In an image compression system 16384 bits are used to represent 256 × 256 image with 256 gray levels. What is the compression ratio for this system ?
A
8
B
4
C
1
D
2