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Welcome to the Discrete Structures MCQs Page

Dive deep into the fascinating world of Discrete Structures with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Discrete Structures, a crucial aspect of UGC CBSE NET Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Discrete Structures, 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 Discrete Structures. 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 Discrete Structures. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Discrete Structures MCQs | Page 12 of 19

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Q111.
A partially ordered set is said to be a lattice if every two elements in the set have

a.

a unique least upper bound

b.

a unique greatest lower bound

c.

both a and b

d.

none of the above

Discuss
Answer: (c).both a and b
Q112.
Consider the problem of connecting 19 lamps to a single electric outlet by using extension cords each of which has four outlets. The number of extension cords required is

a.

4

b.

5

c.

6

d.

7

Discuss
Answer: (c).6
Q113.
The decimal number equivalent of (4057.06)8 is

a.

2095.75

b.

2095.075

c.

2095.937

d.

2095.0937

Discuss
Answer: (d).2095.0937
Q114.
The value of the following expression (13/4*3)%5+1 is

a.

5.75

b.

2.95

c.

1.4875

d.

5

Discuss
Answer: (a).5.75
Q115.
Which one of the following will set the value of y to 5 if x has the value 3, but not otherwise?

a.

if (x = 3) y = 5

b.

if x = = 3 (y = 5)

c.

if (x = = 3); y = 5

d.

if (x = = 3) y = 5

Discuss
Answer: (d).if (x = = 3) y = 5
Q116.
“x1 is a clone of x” means x1 is identical to x in terms of the physical attributes namely, height, weight and complexion. Given, height, weight and complexion only form a complete set of attributes for an entity, cloning is an equivalence relation. What is your impression about this statement?

a.

The statement is true

b.

The statement is false

c.

The truth value of the statement cannot be computed

d.

None of these

Discuss
Answer: (a).The statement is true
Q117.
‘R is a robot of M’ means R can perform some of the tasks that otherwise M would do and R is unable to do anything else. Which of the following is the most appropriate representation to model this situation?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q118.
If she is my friend and you are her friend, then we are friends. Given this, the friend relationship in this context is …………...

(i) commutative
(ii) transitive
(iii) implicative
(iv) equivalence

a.

(i) and (ii)

b.

(iii)

c.

(i), (ii), (iii) and (iv)

d.

None of these

Discuss
Answer: (d).None of these
Q119.
If x and y are independent Gaussian random variables with average value 0 and with same variance, their joint probability density function is given by:

a.

p(x,y)=p(x).p(y)

b.

p(x,y)=p(x)+p(y)

c.

p(x,y)=p(x+y)

d.

Noe of the above

Discuss
Answer: (d).Noe of the above
Q120.
Assertion(A): Bit maps are not often used in memory management.
Reason(R): Searching a bitmap for a run of given length is a slow operation.

a.

Both (A) and (R) are true and (R) is correct explanation for (A)

b.

Both (A) and (R) are true but (R) is not correct explanation for (A)

c.

(A) is true (R) is false

d.

(A) is false (R) is true

Discuss
Answer: (a).Both (A) and (R) are true and (R) is correct explanation for (A)
Page 12 of 19

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