Computer Science Study Materials for Competitive Exams

Sample Questions, Previous Year Solved Papers, Study Materials For Competitive Examinations Like UGC NET, SET And GATE Computer Science.

Thursday, 6 November 2014

UGC NET Solved Computer Science Paper III June 2014 - Part 1

1.       Beam-penetration and shadow-mask are the two basic techniques for producing color displays with a CRT.
Which of the following is not true?
I. The beam-penetration is used with random scan monitors.
II. Shadow-mask is used in raster scan systems.
III. Beam-penetration method is better than shadow-mask method.
IV. Shadow-mask method is better than beam-penetration method.
(A) I and II
(B) II and III
(C) III only
(D) IV only
Answer: C
2.       Line caps are used for adjusting the shape of the line ends to give them a better appearance. Various kinds of line caps used are
(A) Butt cap and sharp cap
(B) Butt cap and round cap
(C) Butt cap, sharp cap and round cap
(D) Butt cap, round cap and projecting square cap
Answer: D
3.       Given below are certain output primitives and their associated attributes. Match each primitive with its corresponding attributes :
List – I               List – II
a. Line               i. Type, Size, Color
b. Fill Area        ii. Color, Size, Font
c. Text                iii. Style, Color, Pattern
d. Marker           iv. Type, Width, Color
Codes :
  a    b   c   d
(A) i    ii   iii   iv
(B) ii    i   iii   iv
(C) iv  iii   ii   i
(D) iii   i   iv   ii
Answer: C
4.       Consider a window bounded by the lines : x = 0; y= 0; x = 5 and y = 3. The line segment joining (–1, 0) and (4, 5), if clipped against this window will connect the points
(A) (0, 1) and (2, 3)
(B) (0, 1) and (3, 3)
(C) (0, 1) and (4, 3)
(D) (0, 1) and (3, 2)
Answer: A
5.       Which of the following color models are defined with three primary colors?
(A) RGB and HSV color models
(B) CMY and HSV color models
(C) HSV and HLS color models
(D) RGB and CMY color models
Answer: D

6.       In a digital transmission, the receiver clock is 0.1 percent faster than the sender clock. How many extra bits per second does the receiver receive if the data rate is 1 Mbps?
(A) 10 bps
(B) 100 bps
(C) 1000 bps
(D) 10000 bps
Answer: C
7.       Given U = {1, 2, 3, 4, 5, 6, 7}
A = {(3, 0.7), (5, 1), (6, 0.8)}
then A~ will be : (where ~ ® complement)
(A) {(4, 0.7), (2, 1), (1, 0.8)}
(B) {(4, 0.3), (5, 0), (6, 0.2) }
(C) {(1, 1), (2, 1), (3, 0.3), (4, 1), (6, 0.2), (7, 1)}
(D) {(3, 0.3), (6.0.2)}
Answer: C
8.       Consider a fuzzy set old as defined below
Old = {(20, 0.1), (30, 0.2), (40, 0.4), (50, 0.6), (60, 0.8), (70, 1), (80, 1)}
Then the alpha-cut for alpha = 0.4 for the set old will be
(A) {(40, 0.4)}
(B) {50, 60, 70, 80}
(C) {(20, 0.1), (30, 0.2)}
(D) {(20, 0), (30, 0), (40, 1), (50, 1), (60, 1), (70, 1), (80, 1)}
Answer: D
9.       Perceptron learning, Delta learning and LMS learning are learning methods which falls under the category of
(A) Error correction learning – learning with a teacher
(B) Reinforcement learning – learning with a critic
(C) Hebbian learning
(D) Competitive learning – learning without a teacher
Answer: A
10.    Code blocks allow many algorithms to be implemented with the following parameters :
(A) clarity, elegance, performance
(B) clarity, elegance, efficiency
(C) elegance, performance, execution
(D) execution, clarity, performance
Answer: B


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