Discrete Mathematics MCQs

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Discrete Mathematics MCQs

1. How many bytes are required to encode 2000 bits of data:
A. 2
B. 1
C. 3
D. 10

Answer - Click Here:
A

2. A collection of graph is:
 A. row and coloumn
 B. Equation
 C. vertices and columns
 D.  None of above

Answer - Click Here:
C

3. The number of edges in a complete graph with ‘n’ vertices is equal to:
 A. 2n-1
 B. n(n-1)
 C. n^2
 D. n(n-1)/2

Answer - Click Here:
D

4. Error correcting code is a _____:
 A. hamming code
 B. gray code
 C. error deducting code
 D. none of above

Answer - Click Here:
A

5. The symbol II is ASCII stands for:
 A. international information
 B. information interchange
 C. American Standard Code for Information Interchange
 D. none of above

Answer - Click Here:
C

6. What is domain of function f(x)= x1/2:
 A. [0, ∞)
 B. (2, ∞)
 C. (-∞, 1)
 D. none of above

Answer - Click Here:
A

7. ordered collection of objects is:
 A. Relation
 B. set
 C. proposition
 D. Function

Answer - Click Here:
B

8. A function is a Domain of:
 A. it is set of natural numbers for which a function is defined
 B. the maximal set of numbers for which a function is defined
 C. the maximal set of numbers which a function can take values
 D. none of above

Answer - Click Here:
B

9. Range of a function is :
 A. the maximal set of numbers for which a function is defined
 B. the maximal set of numbers which a function can take values
 C. it is set of natural numbers for which a function is defined
 D. none of above

Answer - Click Here:
B

10. In an undirected graph the number of nodes with odd degree must be:
 A. odd
 B. prime
 C. even
 D. zero

Answer - Click Here:
C

11. What is the cardinality of the set of odd positive integers less than 10?
 A. 5
 B. 10
 C. 3
 D. 20

Answer - Click Here:
A

12. The Gray code of a number whose binary representation is 1000 is:
 A. 0100
 B. 1100
 C. 0111
 D. 0110

Answer - Click Here:
B

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