UGC Net Computer Science December12 Page 7 Solved
61. Which one is a collection of templates and rules ?
(A) XML
(B) CSS
(C) DHTML
(D) XSL
62. A program P calls two subprograms P1 and P2. P1 can fail 50% times and P2 40% times. Then P can fail
(A) 50%
(B) 60%
(C) 10%
(D) 70%
63. Third normal form is based on the concept of ______.
(A) Closure Dependency
(B) Transitive Dependency
(C) Normal Dependency
(D) Functional Dependency
64. If the Fourier transform of the function f(x, y) is F(m, n), then the Fourier transform of the function f(2x, 2y) is :
65. ______ establishes information about when, why and by whom changes are made in a software.
(A) Software Configuration Management.
(B) Change Control.
(C) Version Control.
(D) An Audit Trail.
66. Match the following with respect to HTML tags and usage.
a. CITE 1. Italic representation
b. EM 2. Represents output from programmes
c. VAR 3. Represents to other source
d. SAMP 4. Argument to a programme
Codes :
a b c d
(A) 3 1 4 2
(B) 2 3 1 4
(C) 4 2 3 1
(D) 1 3 4 1
67. An expert system shell is an expert system without
(A) domain knowledge
(B) explanation facility
(C) reasoning with knowledge
(D) all of the above
68. An example of a dictionarybased coding technique is
(A) Runlength coding
(B) Huffman coding
(C) Predictive coding
(D) LZW coding
69. Which is the method used to retrieve the current state of a check box ?
(A) get State ( )
(B) put State ( )
(C) retrieve State ( )
(D) write State ( )
70. Referential integrity is directly related to
(A) Relation key
(B) Foreign key
(C) Primary key
(D) Candidate key
71. You are given four images represented
as
The value of entropy is maximum for
image
(A) I1
(B) I2
(C) I3
(D) I4
72. A cryptarithmetic problem of the type
Can be solved efficiently using
(A) depth first technique
(B) breadth first technique
(C) constraint satisfaction technique
(D) bidirectional technique
73. Match the following :
a. Supervised
learning

1. The
decision
system
receives
rewards for
its
action at the
end
of a sequence
of
steps.

b.
Unsupervised
learning

2. Manual
labels of
inputs are not
used.

c.
Reinforcement
learning

3. Manual
labels of
inputs are
used.

d. Inductive
learning

4. System
learns by
example

Codes :
a b c d
(A) 1 2 3 4
(B) 2 3 1 4
(C) 3 2 4 1
(D) 3 2 1 4
74. A* algorithm is guaranteed to find an optimal solution if
(A) h' is always 0.
(B) g is always 1.
(C) h' never overestimates h.
(D) h' never underestimates h.
75. Let (x, y, z) be the statement “x + y = z”
and let there be two quantifications
given as
Where x, y, z are real numbers. Then
which one of the following is correct ?
(A) (i) is true and (ii) is true.
(B) (i) is true and (ii) is false.
(C) (i) is false and (ii) is true.