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Combinational Logic Analysis Online Exam Quiz

Important questions about Combinational Logic Analysis. Combinational Logic Analysis MCQ questions with answers. Combinational Logic Analysis exam questions and answers for students and interviews.

1. The inverter can be produced with how many NAND gates?

Options

A : 1

B : 2

C : 3

D : 4

2. The 8-input XOR circuit shown has an output of Y = 1. Which input combination below (ordered A ? H) is correct?

Options

A : 10111100

B : 10111000

C : 11100111

D : 00011101

3. The following waveform pattern is for a(n) ________.

Options

A : 2-input AND gate

B : 2-input OR gate

C : Exclusive-OR gate

D : None of the above

4. One positive pulse with t w = 75 µs is applied to one of the inputs of an exclusive-OR circuit. A second positive pulse with t w = 15 µs is applied to the other input beginning 20 µs after the leading edge of the first pulse. Which statement describes the output in relation to the inputs?

Options

A : The exclusive-OR output is a 20 µs pulse followed by a 40 µs pulse, with a separation of 15 µs between the pulses.

B : The exclusive-OR output is a 20 µs pulse followed by a 15 µs pulse, with a separation of 40 µs between the pulses.

C : The exclusive-OR output is a 15 µs pulse followed by a 40 µs pulse.

D : *The exclusive-OR output is a 20 µs pulse followed by a 15 µs pulse, followed by a 40 µs pulse.

5. The following waveform pattern is for a(n) ________.

Options

A : 2-input AND gate

B : 2-input OR gate

C : Exclusive-OR gate

D : None of the above

6. How many AND gates are required to implement the Boolean expression, ?

Options

A : 1

B : 2

C : 3

D : 4

9. Implementation of the Boolean expression results in ________.

Options

A : three AND gates, one OR gate

B : three AND gates, one NOT gate, one OR gate

C : three AND gates, one NOT gate, three OR gates

D : three AND gates, three OR gates

10. How many NOT gates are required to implement the Boolean expression, ?

Options

A : 1

B : 2

C : 4

D : 5

2. The following waveform pattern is for a(n) ________.

Options

A : 2-input AND gate

B : 2-input OR gate

C : Exclusive-OR gate

D : None of the above

3. To implement the expression , it takes one OR gate and ________.

Options

A : three AND gates and three inverters

B : three AND gates and four inverters

C : three AND gates

D : one AND gate

4. How many 2-input NOR gates does it take to produce a 2-input NAND gate?

Options

A : 1

B : 2

C : 3

D : 4

5. A NAND gate can function as a negative-OR gate.

Options

A : True

B : False

C :

D :

6. An AND gate is a universal gate.

Options

A : True

B : False

C :

D :

7. If one input to a 2-input AND gate is HIGH, the output reflects the other input.

Options

A : True

B : False

C :

D :

8. When the output of an AND-OR circuit is complemented, it results in an AND-OR-Invert circuit.

Options

A : True

B : False

C :

D :

9. A NOR gate's truth table is the opposite of that of an OR gate.

Options

A : True

B : False

C :

D :

10. The output of a NAND gate is LOW when all inputs are HIGH at the same time.

Options

A : True

B : False

C :

D :

1. An exclusive-OR gate's output is HIGH when its inputs are equal.

Options

A : True

B : False

C :

D :

2. The output of an AND gate is HIGH when any input is HIGH.

Options

A : True

B : False

C :

D :

3. A NOR gate is a universal gate.

Options

A : True

B : False

C :

D :

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