1.4 Logic Gate & Simple Logic Circuit

Multiple Choice

Logic gate is an electronic device that operates on a collection of....

• binary inputs and produces a binary output.

• binary outputs and produces a binary inputs.

• decimal inputs and produces a binary output.

• binary inputs and produces a decimal output.

Multiple Choice

Which of the following statement is correct about logic gate?

• Value 1 represents False (F)

  Value 0 represents True (T)

• Value 1 represents True (T)

  Value 0 represents True (T)

• Value 1 represents True (T)

  Value 0 represents False (F)

• Value 1 represents False (F)

  Value 0 represents False (F)

Multiple Choice

Logic diagram symbol for OR gate

Multiple Choice

Logic diagram symbol for AND gate

Multiple Choice

Logic diagram symbol for NOT gate

Multiple Choice

A logic gate which produces true output when either one of its inputs is true.

• AND gate

• OR gate

• NOT gate

Multiple Choice

A logic gate which produces true output when its input is false.

• NOT gate

• AND gate

• OR gate

Multiple Choice

A logic gate which produces true output only if all inputs are true.

• AND gate

• OR gate

• NOT gate

Multiple Select

Which statement is true about NAND gate?

• is combination of NOT and AND gate.

• is combination of NOT, OR and AND gate.

• is combination of NOT and OR gate.

• is an inverted AND gate.

• is an inverted OR gate.

Multiple Select

Which statement is true about NOR gate?

• combination of NOT and AND gate.

• combination of NOT, OR and AND gate.

• combination of NOT and OR gate.

• is an inverted AND gate.

• is an inverted OR gate.

Multiple Choice

This is _________ gate

• OR

• NOR

• AND

• NAND

Multiple Choice

  $$X\ =\ \overline{A\circ B}$$  ,  A = 1 and B = 1

• X = 1

• X = 0

Multiple Choice

  $$X\ =\ \overline{A+B}$$  ,  A = 0 and B = 0

• X = 1

• X = 0

Multiple Choice

Which of the following is true about XNOR gate?

• is combination of NOT and AND gate.

• is combination of NOT, OR and AND gate.

• is combination of NOT and OR gate.

• is an inverted AND gate.

• is an inverted OR gate.

Multiple Choice

XOR gate

Multiple Choice

The output is "true“ if the number of “true” input (s) is odd.

The output is "false" if the number of “true” input (s) is even.

• XNOR gate

• XOR gate

• OR gate

• NOR gate

Multiple Choice

The output is "true“ if the number of “true” input (s) is even.

The output is "false" if the number of “true” input (s) is odd.

• XNOR gate

• XOR gate

• OR gate

• NOR gate