Q.1

A 4-variable AND-OR circuit produces a 0 at its Y output. Which combination of inputs is correct?

  • A = 0, B = 0, C = 1, D = 1
  • A = 1, B = 1, C = 0, D = 0
  • A = 1, B = 1, C = 1, D = 1
  • A = 1, B = 0, C = 1, D = 0
Q.2

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

  • 1
  • 2
  • 3
  • 4
Q.3

A 4-variable AND-OR circuit produces a 1 at its Y output. Which combination of inputs is correct?

  • A = 0, B = 0, C = 0, D = 0
  • A = 0, B = 1, C = 1, D = 0
  • A = 1, B = 1, C = 0, D = 0
  • A = 1, B = 0, C = 0, D = 0
Q.4

The output of an exclusive-NOR gate isWhich input combination is correct?

  • A = 1, B = 0
  • A = 0, B = 1
  • A = 0, B = 0
  • none of the above
Q.5

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

  • 1
  • 2
  • 4
  • 5
Q.6

The inverter can be produced with how many NAND gates?

  • 1
  • 2
  • 3
  • 4
Q.7

The inverter can be produced with how many NAND gates?

  • 1
  • 2
  • 3
  • 4
Q.8

A logic circuit with an output consists of ________.

  • two AND gates, two OR gates, two inverters
  • three AND gates, two OR gates, one inverter
  • two AND gates, one OR gate, two inverters
  • two AND gates, one OR gate
Q.9

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

  • 2-input AND gate
  • 2-input OR gate
  • Exclusive-OR gate
  • None of the above
Q.10

Implementing the expression AB + CDE using NAND logic, we get:

  • (A)
  • (B)
  • (C)
  • (D)
Q.11

A logic circuit with an output consists of ________.

  • two AND gates, two OR gates, two inverters
  • three AND gates, two OR gates, one inverter
  • two AND gates, one OR gate, two inverters
  • two AND gates, one OR gate
Q.12

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

  • 2-input AND gate
  • 2-input OR gate
  • Exclusive-OR gate
  • None of the above
Q.13

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

  • 2-input AND gate
  • 2-input OR gate
  • Exclusive-OR gate
  • None of the above
Q.14

The inverter can be produced with how many NAND gates?

  • 1
  • 2
  • 3
  • 4
Q.15

The inverter can be produced with how many NAND gates?

  • 1
  • 2
  • 3
  • 4
Q.16

A logic circuit with an output consists of ________.

  • two AND gates, two OR gates, two inverters
  • three AND gates, two OR gates, one inverter
  • two AND gates, one OR gate, two inverters
  • two AND gates, one OR gate
Q.17

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

  • 2-input AND gate
  • 2-input OR gate
  • Exclusive-OR gate
  • None of the above
Q.18

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

  • 2-input AND gate
  • 2-input OR gate
  • Exclusive-OR gate
  • None of the above
Q.19

Implementing the expression AB + CDE using NAND logic, we get:

  • (A)
  • (B)
  • (C)
  • (D)
Q.20

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

  • 2-input AND gate
  • 2-input OR gate
  • Exclusive-OR gate
  • None of the above
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