1000+ Digital-electronics Questions - Set 108 [With Solutions]

Digital-electronics Questions Set 108:

Quiz Mode

Digital-electronics Questions

Set 108/118

DeMorgan’s theorem states that _________

(AB)’ = A’ + B’

(A + B)’ = A’ * B

A’ + B’ = A’B’

(AB)’ = A’ + B

The number of Boolean functions that can be generated using n variables is _____

2^n

2^(2^n)

2^(n-1)

2^(n^n)

Disjunctive normal form is also called as _____.

Sum of Product form

Sum term

Product of Sum form

Product term

Which of the following is the distributive property?

(X×Y)×Z = X×(Y×Z)

(X+Y)×(X+Z) = X+Y×Z

(X+Y)+Z = X+(Y×Z)

(X×Y)+Z = X×(Y+Z)

What power supply requirement is needed for ECL (Emitter-Coupled Logic) circuits to operate?

Negative voltage

Positive voltage

Grounded voltage

High voltage

In an 8-bit digital-to-analog (D/A) converter, the reference voltage used is 10 V. What voltage is represented by the binary code 10100001?

0.00392 V

6.314 V

6.288 V

How many types of the counter are there?

2

3

4

5

For a master-slave JK Flip-Flop, what will be the Next State output Q⁺ and Qbar⁺ if the present state is Q = 1, Qbar = 0, and the inputs are J = 1 and K = 1?

Q⁺ = 1 and Qbar⁺ = 1

Q⁺ = 0 and Qbar⁺ = 1

Q⁺ = 1 and Qbar⁺ = 0

Q⁺ = 0 and Qbar⁺ = 0

In the case of an AND gate, no matter how many inputs it has, a

1 at any input causes the output to be at logic 1

1 at any input causes the output to be at logic 0

0 at any input causes the output to be at logic 0

0 at any input causes the output to be at logic 1

Which of the following statements about a four-bit adder are incorrect?

Five XOR gates are needed to implement a four-bit adder.

There are nine inputs to the four-bit adder.

There are three inputs to the four-bit adder.

No need to use the XOR gate to implement a four-bit adder.

Quiz Mode

Qn. Sets

Digital-electronics Questions Set 108:

Digital-electronics Questions

DeMorgan’s theorem states that _________

Reveal Answer

Reveal Answer

The number of Boolean functions that can be generated using n variables is _____

Reveal Answer

Reveal Answer

Disjunctive normal form is also called as _____.

Reveal Answer

Reveal Answer

Which of the following is the distributive property?

Reveal Answer

Reveal Answer

What power supply requirement is needed for ECL (Emitter-Coupled Logic) circuits to operate?

Reveal Answer

Reveal Answer

In an 8-bit digital-to-analog (D/A) converter, the reference voltage used is 10 V. What voltage is represented by the binary code 10100001?

Reveal Answer

Reveal Answer

How many types of the counter are there?

Reveal Answer

Reveal Answer

For a master-slave JK Flip-Flop, what will be the Next State output Q+ and Qbar+ if the present state is Q = 1, Qbar = 0, and the inputs are J = 1 and K = 1?

Reveal Answer

Reveal Answer

In the case of an AND gate, no matter how many inputs it has, a

Reveal Answer

Reveal Answer

Which of the following statements about a four-bit adder are incorrect?

Reveal Answer

Reveal Answer

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For a master-slave JK Flip-Flop, what will be the Next State output Q⁺ and Qbar⁺ if the present state is Q = 1, Qbar = 0, and the inputs are J = 1 and K = 1?