Question 1

In 1-to-4 multiplexer, if C1 = 0 & C2 = 1, then the output will be

Accepted Answer

A)  y0
B)  y1
C)  y2
D)  y3E) A) and C)
F) B) and D)

Question 2

In a multiplexer the output depends on its

Accepted Answer

A)  data inputs
B)  select inputs
C)  select outputs
D)  enable pinE) A) and B)
F) B) and D)

Question 3

Which IC is used for the implementation of 1-to-16 DEMUX?

Accepted Answer

A)  ic 74154
B)  ic 74155
C)  ic 74139
D)  ic 74138E) A) and B)
F) A) and C)

Question 4

Perform multiplication of the binary numbers: 01001 × 01011 = ?

Accepted Answer

A)  001100011
B)  110011100
C)  010100110
D)  101010111E) A) and D)
F) All of the above

Question 5

Binary subtraction of 101101 - 001011 = ?

Accepted Answer

A)  100010
B)  010110
C)  110101
D)  101100E) C) and D)
F) A) and B)

Question 6

The word demultiplex means

Accepted Answer

A)  one into many
B)  many into one
C)  distributor
D)  one into many as well as distributorE) A) and B)
F) A) and D) D

Question 7

On multiplication of (10.10)  and (01.01) , we get

Accepted Answer

A)  101.0010
B)  0010.101
C)  011.0010
D)  110.0011E) A) and D)
F) A) and B)

Question 8

Divide the binary number (011010000)  by (0101)  and find the quotient

Accepted Answer

A)  100011
B)  101001
C)  110010
D)  010001E) None of the above
F) A) and B) A

Question 9

In 1-to-4 multiplexer, if C1 = 1 & C2 = 1, then the output will be

Accepted Answer

A)  y0
B)  y1
C)  y2
D)  y3E) None of the above
F) All of the above

Question 10

Why is a demultiplexer called a data distributor?

Accepted Answer

A)  the input will be distributed to one of the outputs
B)  one of the inputs will be selected for the output
C)  the output will be distributed to one of the inputs
D)  single input gives single outputE) None of the above
F) B) and C)

Question 11

What is the addition of the binary numbers 11011011010 and 010100101?

Accepted Answer

A)  0111001000
B)  1100110110
C)  11101111111
D)  10011010011E) A) and B)
F) B) and D)

Question 12

There are Minterms for 3 variables (a, b, c) .

Accepted Answer

A)  0
B)  2
C)  8
D)  1E) B) and C)
F) All of the above

Question 13

How many select lines are required for a 1-to-8 demultiplexer?

Accepted Answer

A)  2
B)  3
C)  4
D)  5E) A) and B)
F) C) and D)

Question 14

100101 × 0110 = ?

Accepted Answer

A)  1011001111
B)  0100110011
C)  101111110
D)  0110100101E) All of the above
F) C) and D)

Question 15

Binary subtraction of 100101 - 011110 is

Accepted Answer

A)  000111
B)  111000
C)  010101
D)  101010E) A) and D)
F) A) and C)

Question 16

Most demultiplexers facilitate which type of conversion?

Accepted Answer

A)  decimal-to-hexadecimal
B)  single input, multiple outputs
C)  ac to dc
D)  odd parity to even parityE) A) and D)
F) All of the above

Question 17

A variable on its own or in its complemented form is known as a

Accepted Answer

A)  product term
B)  literal
C)  sum term
D)  wordE) A) and B)
F) B) and D) B

Question 18

Divide the binary numbers: 111101 ÷ 1001 and find the remainder

Accepted Answer

A)  0010
B)  1010
C)  1100
D)  0011E) A) and B)
F) All of the above

Question 19

Why is a demultiplexer called a data distributor?

Accepted Answer

A)  the input will be distributed to one of the outputs
B)  one of the inputs will be selected for the output
C)  the output will be distributed to one of the inputs
D)  single input to single outputE) A) and C)
F) B) and D)

Question 20

Perform binary addition: 101101 + 011011 = ?

Accepted Answer

A)  011010
B)  1010100
C)  101110
D)  1001000E) A) and B)
F) A) and C)

Exam 12: Binary Arithmetic and Multiplexers/Demultiplexers

In 1-to-4 multiplexer, if C1 = 0 & C2 = 1, then the output will be

Correct AnswerverifiedShow Answer

In a multiplexer the output depends on its

Correct AnswerverifiedShow Answer

Which IC is used for the implementation of 1-to-16 DEMUX?

Correct AnswerverifiedShow Answer

Perform multiplication of the binary numbers: 01001 × 01011 = ?

Correct AnswerverifiedShow Answer

Binary subtraction of 101101 - 001011 = ?

Correct AnswerverifiedShow Answer

The word demultiplex means

Correct AnswerverifiedD

On multiplication of (10.10) and (01.01) , we get

Correct AnswerverifiedShow Answer

Divide the binary number (011010000) by (0101) and find the quotient

Correct AnswerverifiedA

In 1-to-4 multiplexer, if C1 = 1 & C2 = 1, then the output will be

Correct AnswerverifiedShow Answer

Why is a demultiplexer called a data distributor?

Correct AnswerverifiedShow Answer

What is the addition of the binary numbers 11011011010 and 010100101?

Correct AnswerverifiedShow Answer

There are Minterms for 3 variables (a, b, c) .

Correct AnswerverifiedShow Answer

How many select lines are required for a 1-to-8 demultiplexer?

Correct AnswerverifiedShow Answer

100101 × 0110 = ?

Correct AnswerverifiedShow Answer

Binary subtraction of 100101 - 011110 is

Correct AnswerverifiedShow Answer

Most demultiplexers facilitate which type of conversion?

Correct AnswerverifiedShow Answer

A variable on its own or in its complemented form is known as a

Correct AnswerverifiedB

Divide the binary numbers: 111101 ÷ 1001 and find the remainder

Correct AnswerverifiedShow Answer

Why is a demultiplexer called a data distributor?

Correct AnswerverifiedShow Answer

Perform binary addition: 101101 + 011011 = ?

Correct AnswerverifiedShow Answer

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D

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A

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B

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