Explore topic-wise MCQs in Discrete Mathematics.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

Let A: “010101”, B=?, If { A (Ex-or) B } is a resultant string of all ones then which of the following statement regarding B is correct?

A. B is negation of A
B. B is 101010
C. {A (and) B} is a resultant string having all zeroes
D. B} is a resultant string having all zeroesd) All of the mentioned
Answer» E.
Discussion
2.

If in a bits string of {0,1}, of length 4, such that no two ones are together. Then the total number of such possible strings are?

A. 1
B. 5
C. 7
D. 4
Answer» D. 4
Discussion
3.

What is the 2’s complement of this string “01010100”?

A. 10101010
B. 00110100
C. 10101100
D. 10101001
Answer» D. 10101001
Discussion
4.

What is the one’s complement of this string “01010100”?

A. 10101010
B. 00110101
C. 10101011
D. 10101001
Answer» D. 10101001
Discussion
5.

The Ex-nor of this string “01010101” with “11111111” is?

A. 10101010
B. 00110100
C. 01010101
D. 10101001
Answer» D. 10101001
Discussion
6.

If A is “001100” and B is “010101” then what is the value of A (Ex-or) B?

A. 000000
B. 111111
C. 001101
D. 011001
Answer» E.
Discussion
7.

If a bit string contains {0, 1} only, having length 5 has no more than 2 ones in it. Then how many such bit strings are possible?

A. 14
B. 12
C. 15
D. 16
Answer» E.
Discussion
8.

How many bits string of length 4 are possible such that they contain 2 ones and 2 zeroes?

A. 4
B. 2
C. 5
D. 6
Answer» E.
Discussion
9.

Which of the following option is suitable, if A is “10110110”, B is”11100000” and C is”10100000”?

A. C=A or B
B. C=~A
C. C=~B
D. C=A and B
Answer» E.
Discussion
10.

Which of the following bits is the negation of the bits “010110”?

A. 111001
B. 001001
C. 101001
D. 111111
Answer» D. 111111
Discussion
11.

IF_IN_A_BITS_STRING_OF_{0,1}_,OF_LENGTH_4,SUCH_THAT_NO_TWO_ONES_ARE_TOGETHER._THEN_TOTAL_NUMBER_OF_SUCH_POSSIBLE_STRINGS_ARE??$

A. 1
B. 5
C. 7
D. 4
Answer» D. 4
Discussion
12.

Let_A_:_“010101”_,B=?_,If_{_A_(Ex-or)_B_}_is_a_resultant_string_of_all_ones_then_which_of_the_following_statement_regarding_B_is_correct$#

A. B is negation of A
B. B is 101010
C. {A (and) B} is a resultant string having all zeroes
D. All of the mentioned
Answer» E.
Discussion
13.

The one’s complement of this string “01010100” is$

A. 10101010
B. 00110101
C. 10101011
D. 10101001
Answer» D. 10101001
Discussion
14.

The Ex-nor of this string “01010101”with “11111111” is$

A. 10101010
B. 00110100
C. 01010101
D. 10101001
Answer» D. 10101001
Discussion
15.

If A is “001100” and B is “010101” then A (Ex-or) B is$

A. 000000
B. 111111
C. 001101
D. 011001
Answer» E.
Discussion
16.

If a bit string contains {0, 1} only, having length 5 has no more than 2 ones in it. Then how many such bit strings are possible?
A. 14
B. 12
C. 15
D. 16
Answer» E.
Discussion
17.

How many bits string of length 4 are possible such that they contains 2 ones and 2 zeroes?
A. 4
B. 2
C. 5
D. 6
Answer» E.
Discussion
18.

Which of the following option is suitable, if A is “10110110”, B is”11100000”and C is”10100000”?$

A. C=A or B
B. C=~A
C. C=~B
D. C=A and B
Answer» E.
Discussion
19.

Which of the following bits is the negation of the bits “010110”?

A. 111001
B. 001001
C. 101001
D. 111111
Answer» D. 111111
Discussion