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Solved Questions Paper-2 UGC-NET Computer Science November 2017

1.If the time is now 4 O'clock, what will be the time after 101 hours from now?
A.9 O'clock
B.8 O'clock
C.5 O'clock
D.4 O'clock
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Explanation
2.Let m = (313)4 and n = (322)4. Find the base 4 expansion of m + n.
A.(635)4
B.(32312)4
C.(21323)4
D.(1301)4
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Explanation
3.Let
Find the boolean product A?B of the two matrices.
A.
B.
C.
D.
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Explanation
4.How many distinguishable permutations of the letters in the word BANANA are there?
A.720
B.120
C.60
D.360
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Explanation
5. Consider the graph given below :

Use Kruskal's algorithm to find a minimal spanning tree for the graph. The List of the edges of the tree in the order in which they are chosen is?
A.AD, AE, AG, GC, GB, BF
B.GC, GB, BF, GA, AD, AE
C.GC, AD, GB, GA, BF, AE
D.AD, AG, GC, AE, GB, BF
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Explanation
6.The Boolean function with the Karnaugh map
is :
A.(A + C).D + B
B.(A + B).C + D
C.(A + D).C + B
D.(A + C).B + D
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Explanation
7.The Octal equivalent of the binary number 1011101011 is:
A.7353
B.1353
C.5651
D.5657
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Explanation
8.Let P and Q be two propositions,¬(P <--> Q) is equivalent to:
A. P <-->¬ Q
B. ¬P <--> Q
C.¬P <--> ¬Q
D.Q --> P
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Explanation
9.Negation of the proposition ∃ x H(x) is:
A.∃ x ¬H(x)
B.∀ x ¬H(x)
C.∀ x H(x)
D.¬ x H(x)
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Explanation
10.The output of the following combinational circuit is F.

The value of F is :
A.P1+P2`P3
B.P1+P2`P3`
C.P1+P2P3`
D.P1`+P2P3
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Explanation


Author Does Not claim of any answer these answers are as per expert opinion

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