exams.puchd.ac.in M.E CSE OCET Other Common Entrance Test Question Paper : Panjab University

University : Panjab University
Exam : OCET M.E CSE Other Common Entrance Test
Document Type : Question Booklet
Website : exams.puchd.ac.in

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OCET Question Paper :

Question Booklet Series : A
Important : Please consult your Admit Card / Roll No. Slip before filling your Roll Number on the Test Booklet and Answer Sheet.

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Roll No. In Figures In Words
O.M.R. Answer Sheet Serial No.
Subject : M. E. (Computer Science and Engineering)
Time : 90 minutes
Number of Questions : 75
Maximum Marks : 75
DO NOT OPEN THE SEAL ON THE BOOKLET UNTIL ASKED TO DO SO
INSTRUCTIONS
1. Write your Roll No. on the Question Booklet and also on the OMR Answer Sheet in the space provided and nowhere else.
2. Enter the Subject and Series Code of Question Booklet on the OMR Answer Sheet. Darken the corresponding bubbles with Black Ball Point / Black Gel pen.

3. Do not make any identification mark on the Answer Sheet or Question Booklet.
4. To open the Question Booklet remove the paper seal (s) gently when asked to do so.
5. Please check that this Question Booklet contains 75 questions. In case of any discrepancy, inform the Assistant Superintendent within 10 minutes of the start of test.

1. Which of the following approach is used by the Merge sort algorithm ?
(A) Divide and conquer (B) Backtracking
(C) Heuristic Search (D) Greedy approach

2. In a set of n elements, for a relation to be reflexive, how many number of relations should be there ?
(A) 2n2 (B) 2n(n–1)
(C) 2(n)(n+1)/2 (D) 2n–3n(n–1)/2

3. Preprocessing is a phase of translation, which occurs :
(A) After Compilation and Linking (B) After Compilation but before linking
(C) Dynamically at Runtime only (D) Before Compilation

4. What will be the output of the following program ?
void main ()
{ int i, j;
i = 12;
j = ++i + i++;
printf (“\n % d % d”, i, j);
}
(A) 13 26 (B) 14 28
(C) 14 26 (D) 13 28

5. If integer needs two bytes of storage, then maximum value of an unsigned integer is :
(A) 216 – 1 (B) 215 – 1
(C) 216 + 1 (D) 2*216 – 1

6. a<<1 is equivalent to :
(A) Multiplying a by 2 (B) Dividing a by 2
(C) Adding 2 to a (D) Subtracting 2 to a

7. Which of the following algorithms has running time O(n2) in the worst case but O(nlogn) on average ?
(A) Bubble Sort (B) Tornament Sort
(C) Merge Sort (D) Quick Sort

8. The upper bound on T(n) = 3T(n/2) +n is :
(A) O(nlgn) (B) O(nlg3)
(C) O(n2) (D) O(nlgn+n)

9. Which one of the following statements is false ?
(A) Optimal binary search tree construction can be performed efficiently using dynamic programming
(B) Breadth-first search cannot be used to find converted components of a graph
(C) Given the prefix and postfix walks over a binary tree, the binary tree cannot be uniquely constructed
(D) Depth-first search can be used to find connected components of a graph

10. An error detecting code in which code is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as :
(A) Cyclic redundancy check (B) Checksum
(C) Error detecting code (D) Error rate

11. Which address is the loopback address ?
(A) 0.0.0.1 (B) 127.0.0.0
(C) 127.0.0.1 (D) 255.255.255.255

12. As a frame travels through a routed network the MAC address will always :
(A) Change to reflect the current source and destination
(B) The source address will remain the same but the destination address will change
(C) The source address will change and the destination address will change
(D) Nothing changes

13. Which two of the following four regular expressions are equivalent ? (ε is the empty string.)
(i) (00) * (ε + 0)
(ii) (00)*
(iii) 0*
(iv) 0 (00)*
(A) (i) and (ii) (B) (ii) and (iii)
(C) (i) and (iii) (D) (iii) and (iv)

14. What will be the output of the following Program ?
main ()
{
Int a = 10, b, c;
b = !a;
c = ~a;
printf(“%d%d”, b,c);
}
(A) 10 – 10 (B) 0 – 11
(C) -10 -10 (D) 0 0

15. Suppose that the set A contains 5 elements and the set B contains 2 elements. How many different functions f : A → B can one define ?
(A) 10 (B) 25
(C) 16 (D) 32

16. Which of the following is false ?
(A) A graph is a subgraph of its union with any other graph
(B) The intersection of two graphs is not necessarily a subgraph of both of them
(C) A spanning subgraph of a graph G is a subgraph that contains all the vertices of G
(D) Hamilton path is a path that includes all the vertices of a graph

17. A full binary tree with n leaves contains :
(A) n nodes (B) log2 n nodes
(C) 2n – 1 nodes (D) 2n nodes

18. Which of the following is a hash function ?
(A) Shortest distance (B) Mid square
(C) Folding (D) Extraction