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Digital-electronics Questions Set 108:

Quiz Mode

DeMorgan’s theorem states that _________

(AB)’ = A’ + B’

(A + B)’ = A’ * B

A’ + B’ = A’B’

(AB)’ = A’ + B

Solution:

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

2^n

2^(2^n)

2^(n-1)

2^(n^n)

Solution:

Disjunctive normal form is also called as _____.

Sum of Product form

Sum term

Product of Sum form

Product term

Solution:

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)

Solution:

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

Negative voltage

Positive voltage

Grounded voltage

High voltage

Solution:

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

Solution:

How many types of the counter are there?

2

3

4

5

Solution:

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

Solution:

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

Solution:

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

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

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.

Solution:

Related Topics:

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Digital-electronics Questions Set 108:

DeMorgan’s theorem states that _________

Solution:

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

Solution:

Disjunctive normal form is also called as _____.

Solution:

Which of the following is the distributive property?

Solution:

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

Solution:

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?

Solution:

How many types of the counter are there?

Solution:

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?

Solution:

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

Solution:

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

Solution:

Related Question Sets:

Related Topics:

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?