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Welcome to the Data Structures and Algorithms MCQs Page

Dive deep into the fascinating world of Data Structures and Algorithms with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Structures and Algorithms, a crucial aspect of UGC CBSE NET Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Structures and Algorithms, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within UGC CBSE NET Exam.

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Check out the MCQs below to embark on an enriching journey through Data Structures and Algorithms. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UGC CBSE NET Exam.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Structures and Algorithms. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Structures and Algorithms MCQs | Page 24 of 27

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Q231.
Binary search algorithm employs the strategy of

a.

Divide and Conquer technique

b.

Dynamic Programming

c.

Branch & Bound technique

d.

Greedy Strategy

Discuss
Answer: (a).Divide and Conquer technique
Q232.
Dangling-else ambiguity can be eliminated by

a.

Matching else with nearest if

b.

Matching else with unmatched if

c.

Removing last occurrence of else

d.

Matching else with nearest unmatched if

Discuss
Answer: (d).Matching else with nearest unmatched if
Q233.
If n represents the dimension of cube and K, the radix (no. of nodes along each dimensions) then the number of nodes N of a k-ary n-cube network is:

a.

N=n^k

b.

N=logk n

c.

N=logn k

d.

N=k^n

Discuss
Answer: (d).N=k^n
Q234.
The postfix form of the expression (A+B)*C-D/E is:

a.

AB+C*DE/-

b.

ABC*+DE/-

c.

ABCDE+*-/

d.

AB+C*DE-/

Discuss
Answer: (a).AB+C*DE/-
Q235.
The number of nodes in a complete binary tree of height n:

a.

2^(n-1) -1

b.

2^(n-1) +1

c.

2^(n+1) -1

d.

2^(n+1) +1

Discuss
Answer: (c).2^(n+1) -1
Q236.
Data abstraction means:

a.

Objects of one class acquire properties of object of another class

b.

Insulation of data from direct access by programs

c.

Code associated with a procedure call is not known until run time

d.

Putting together essential features without including background details

Discuss
Answer: (d).Putting together essential features without including background details
Q237.
The solution of recurrence relation:

T(n) = 2T(sqrt(n)) + lg (n)

is

a.

O(lg (n))

b.

O(n lg (n))

c.

O(lg (n) lg (n))

d.

O(lg (n) lg (lg (n)))

Discuss
Answer: (d). O(lg (n) lg (lg (n)))
Q238.
The elements 42,25,30,40,22,35,26 are inserted one by one in the given order into a max-heap. The resultant max-heap is sorted in an array implementation as

a.

<42,40,35,25,22,30,26>

b.

<42,35,40,22,25,30,26>

c.

<42,40,35,25,22,26,30>

d.

<42,35,40,22,25,26,30>

Discuss
Answer: (a).<42,40,35,25,22,30,26>
Q239.
Consider the following postfix expression with single digit operands:

623∗/42∗+68∗−

The top two elements of the stack after the second ∗ is evaluated, are:

a.

8,2

b.

8,1

c.

6,2

d.

6,3

Discuss
Answer: (b).8,1
Q240.
A binary search tree is constructed by inserting the following numbers in order:

60, 25, 72, 15, 30, 68, 101, 13, 18, 47, 70, 34

The number of nodes in the left subtree is

a.

5

b.

6

c.

7

d.

3

Discuss
Answer: (c).7
Page 24 of 27

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