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Old November 5th, 2014, 09:23 AM
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Default Re: UGC NET Computer Science Solved Paper II

Here is the list of few questions of UGC NET Computer Science Solved Paper II
exam which you are looking for .

1. COCOMO stands for
(A) COmposite COst MOdel
(B) COnstructive COst MOdel
(C) COnstructive Composite MOdel
(D) COmprehensive Construction Model

2. Match the following:
a. Good quality 1. Program does not fail for a specified time in a given environment
b. Correctness ii. Meets the functional requirements
c. Predictable iii. Meets both functional and non-functional requirements
d. Reliable iv. Process is under statistical control
Codes:
a b c d
(A) iii ii iv i
(B) ii iii iv i
(C) i ii iv iii
(D) i ii iii iv

3. While estimating the cost of software, Lines of Code (LOC) and Function Points (FP) are used to measure which one of the following?
(A) Length of code
(B) Size of software
(C) Functionality of software
(D) None of the above

4. A good software design must have
(A) High module coupling, High module cohesion
(B) High module coupling, Low module cohesion
(C) Low module coupling, High module cohesion
(D) Low module coupling, Low module cohesion

5. Cyclometric complexity of a flow graph G with n vertices and e edges is
(A) V(G) = e+n-2
(B) V(G) = e-n+2
(C) V(G) = e+n+2
(D) V(G) = e-n-2

6. When the following code is executed what will be the value of x and y?
int x = l, y=0;
y = x++;
(A) 2,1
(B) 2,2
(C) 1,1
(D) 1,2

7. How many values can be held by an array A(-1,m;1 ,m) ?
(A) m
(B) m2
(C) m(m+l)
(D) m(m+2)

8. What is the result of the expression
(1 &2)+(3/4) ?
(A) 1
(B) 2
(C) 3
(D) 0

9. How many times the word 'print' shall be printed by the following program segment?
for(i=1, i≤2, i++)
for(j=1, J≤2, J++)
for(k=1, k≤2, k++)
printf("print/n")
(A) 1
(B) 3
(C) 6
(D) 8

10. Which of the following is not a type of Database Management System?
(A) Hierarchical
(B) Network
(C) Relational
(D) Sequential

11. Manager's salary details are to be hidden from Employee Table. This Technique is called as
(A) Conceptual level Datahiding
(B) Physical level Datahiding
(C) External level Datahiding
(D) Logical level Datahiding

12. A Network Schema
(A) restricts to one to many relationship
(B) permits many to many relationship
(C) stores Data in a Database
(D) stores Data in a Relation

13. Which normal form is considered as adequate for usual database design ?
(A) 2NF
(B) 3NF
(C) 4NF
(D) 5NF


14. If D1, D2,…. Dn are domains in a relational model, then the relation is a table, which is a subset of
(A) D1+D2+…. + Dn
(B) D1x D2x… x Dn
(C) D1U D2U….U Dn
(D) D1- D2-….- Dn


15. Which of the following addresses is used to deliver a message to the correct application program running on a host?
(A) Port
(B) IP
(C) Logical
(D) Physical

16. In substitution, a character in the plaintext is always changed to the same character in the ciphertext, regardless of its position in the text.
(A) polyalphabetic
(B) monoalphabetic
(C) transpositional
(D) multialphabetic

17. In classful addressing, the IF address 190.255.254.254 belongs to
(A) Class A
(B) Class B
(C) Class C
(D) Class D

18. In hierarchical routing with 4800 routers, what region and cluster sizes should be chosen to minimize the size of the routing table for a threelayer hierarchy?
(A) 10 clusters, 24 regions and 20 routers
(B) 12 clusters, 20 regions and 20 routers
(C) 16 clusters, 12 regions and 25 routers
(D) 15 clusters, 16 regions and 20 routers

19. In IPv4 header, the field is needed to allow the destination host to determine which datagram a newly arrived fragments belongs to.
(A) identification
(B) fragment offset
(C) time to live
(D) header checksum

20. Given L1 = L(a*baa*) and L2 = L(ab*)
The regular expression corresponding to language L3 = Ll/L2 (right quotient) is given by
(A) a*b
(B) a*baa*
(C) a*ba*
(D) None of the above


21. Given the production rules of a grammar GI as
S1 à AB | aaB
A à a | Aa
B à b
and the production rules of a grammar G2 as
S2 à aS2bS2 | bS2aS2 | λ
Which of the following IS correct statement?
(A) G1 is ambiguous and G2 is not ambiguous.
(B) GI is ambiguous and G2 is ambiguous.
(C) GI is not ambiguous and G2 is ambiguous.
(D) GI is not ambiguous and G2 is not ambiguous.

22. Given a grammar : S1 à Sc, S àSA | A, A à aSb | ab, there is a rightmost derivation
S1 => Sc => SAC => SaSbc Thus, SaSbc is a right sentential form, and its handle is
(A) SaS
(B) be
(C) Sbe
(D) aSb


23. The equivalent production rules corresponding to the production rules
S à Sα1 | Sα2 | β1 | β2 is
(A) S à β1 | β2, A à α1A | α2A | λ
(B) S à β1 | β2 | β1A | β2A,
Aà α1A | α2A
(C) Sàβ1 | β2, A à α1A | α2A
(D) S à β1 | β2 | β1A | β2A,
A à α1A | α2A | λ

24. Given a Non-deterministic Finite Automation (NFA) with states p and r as initial and final states respectively transItion table as given below
ab
p-q
qrs
rrs
srs

The minimum number of states required in Deterministic Finite Automation (DFA) equivalent to NFA is
(A) 5
(B) 4
(C) 3
(D) 2

25. Which is the correct statement(s) for Non Recursive predictive parser?
S1: First(α) = {t | α => * t β for some string β } => *tβ
S2: Follow(X) = { a | S => * αXa β for some strings α and β }
(A) Both statements S1 and S2 are incorrect.
(B) S1 is incorrect and 52 IS correct.
(C) S1 is correct and S2 IS incorrect.
(D) Both statements S I and S2 are correct.

26. Given an open address hash table with load factor α < 1, the expected number of probes in a successful search is
(A) Atmost 1/α 1n (1-α/α)
(B) Atmost 1/α 1n (1/1-α)
(C) Atleast 1/α 1n (1/1-α)
(D) Atleast 1/α 1n (α/1-α)

27. For a B-tree of height h and degree t, the total CPU time used to insert a node is
(A) O(h log t)
(B) O(t log h)
(C) O(t2h)
(D) O(th)

28. The time complexity to build a heap with a list of n numbers is
(A) O(log n)
(B) O(n)
(C) O(n log n)
(D) O(n2)

29. The value of postfix expression:
8 3 4 + - 3 8 2 / + * 2 ^ 3 + is
(A) 17
(B) 131
(C) 64
(D) 52
Note: Given $ symbol instead of ^ in the question paper given by UGC

30. Consider the following statements for priority queue:
S1 : It is a data structure in which the intrinsic ordering of the elements does determine the result of its basic operations.
S2: The elements of a priority queue may be complex structures that are ordered on one or several fields.
Which of the following is correct?
(A) Both S1 and S2 are incorrect.
(B) S1 is correct and S2 is incorrect.
(C) SI is incorrect and S2 is correct.
(D) Both S1 and S2 are correct.

31. Repository of information gathered from multiple sources, storing under unified scheme at a single site is called as
(A) Data mining
(B) Meta data
(C) Data warehousing
(D) Database

32. The task of correcting and pre processing data is called as
(A) Data streaming
(B) Data cleaning
(C) Data mining
(D) Data storming

33. Using data p=3, q=11, n=pq, d=7 in RSA algorithm find the cipher text of the given plain text SUZANNE
(A) BUTAEEZ
(B) SUZANNE
(C) XYZABCD
(D) ABCDXYZ
Explanation:

35. Give as good a big-Q estimate as possible for the following functions:
(nlogn+n2)(n3+2) and (n!+2n) (n3+log(n2+ 1))
(A) O(n5+2n2) & O(n3*n!)
(B) O(n5) & O(n3*2 n)
(C) O(n5) & O(n3* n!)
(D) O(n5+2n2) & O(n3*2 n)

36. A test contains 100 true/false questions. How many different ways can a student answer the questions on the test, if the answer may be left blank also.
(A) 100P2 (B) 100C2 (C) 2100 (D) 3100

37. Which of the following connected simple graph has exactly one spanning tree?
(A) Complete graph
(B) Hamiltonian graph
(C) Euler graph
(D) None of the above

38. How many edges must be removed to produce the spanning forest of a graph with N vertices, M edges and C connected components?
(A) M+N-C
(B) M-N-C
(C) M-N+C
(D) M+N+C

39. Which of the following shall be a compound proposition involving the propositions p, q and r. that is true when exactly two of the p. q and rare true and is false otherwise?
(A) (p∨q∧˥r) ∨ (p∨q∧r) ∧ (˥p∧q∨r)
(B) (p∧q∨r) ∧ (p∧q∧r) ∨ (˥q∨˥p∧˥r)
(C) (p∧q∧˥r) ∨ (p∨˥q∧r) ∨ (˥p∧q∧r)
(D) (p∨r∧q) ∨ (p∧q∧r) ∨ (˥p∧q∧r)

40. The truth value of the statements:
∃!xP(x) à ∃xP(x) and ∃!x˥P(x) à ˥∀xP(x), (where the notation ∃!xP(x) denotes the proposition "There exists a unique x such that P(x) is true'') are :
(A) True and False
(B) False and True
(C) False and False
(D) True and True
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  #3  
Old October 29th, 2015, 03:41 PM
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Default Re: UGC NET Computer Science Solved Paper II

Can you provide me previous year question paper of University Grants Commission (UGC) National Eligibility Test (NET) of Computer Science Paper II as I need it for preparation?
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  #4  
Old October 29th, 2015, 03:46 PM
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Join Date: Dec 2011
Default Re: UGC NET Computer Science Solved Paper II

The previous year question paper of University Grants Commission (UGC) National Eligibility Test (NET) of Computer Science Paper II as you need it for preparation is as follows:

1. How many strings of 5 digits have the property that the sum of their digits is 7?
A. 66
B. 330
C. 495
D. 99

2. Consider an experiment of tossing two fair dice, one black and one red. What is the probability that the number on the black die divides the number on red die ?
A. 22 / 36
B. 12 / 36
C. 14 / 36
D. 6 / 36

3. In how many ways can 15 indistinguishable fishes be placed into 5 different ponds, so that each pond contains atleast one fish?
A. 1001
B. 3876
C. 775
D. 200

4. Consider the following statements-
(a) Depth - first search is used to traverse a rooted tree.
(b) Pre - order, Post-order and Inorder are used to list the vertices of an ordered rooted tree.
(c) Huffman's algorithm is used to find an optimal binary tree with given weights.
(d) Topological sorting provides a labelling such that the parents have larger labels than their children.
Which of the above statements are true ?
A. (a) and (b)
B. (c) and (d)
C. (a) , (b) and (c)
D. (a), (b) , (c) and (d)

5. Consider a Hamiltonian Graph (G) with no loops and parallel edges. Which of the following is true with respect to this Graph (G) ?
(a) deg (v) >= n / 2 for each vertex of G
(b) | E(G) | >= 1 / 2 (n-1) (n-2) + 2 edges
(c) deg (v) + deg (w) >= n for every v and w not connected by an edge
A. (a) and (b)
B. (b) and (c)
C. (a) and (c)
D. (a), (b) and (c)

UGC NET Computer Science Solved Paper II





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Last edited by Aakashd; August 12th, 2018 at 08:46 PM.
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