Lesson Worksheet: NAND Gates Physics

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In this worksheet, we will practice determining the input and output of NAND gates in logic circuits and completing truth tables for NAND gates.

Q1:

The diagram shows two NAND gates, where the output of the first NAND gate is one of the inputs to the second. If input A is 1, input B is 0, and input C is 1, what is the output?

Q2:

The diagram shows a NAND gate where a single signal from the circuit is used for both inputs of the NAND gate. The truth table shows the different possible inputs of this arrangement.

Input	0	1
Output

What is the value of in the table?

What type of logic gate is this arrangement equivalent to?

AAn XOR gate
BA NOT gate
CA NOR gate
DAn AND gate
EAn OR gate

Q3:

The diagram shows a NAND gate. If input A is 1 and input B is 1, what will the output be?

Q4:

Which of the following symbols represents a NAND gate?

Q5:

The diagram shows a NAND gate. If input A is 1 and the output is 1, what is input B?

Q6:

The diagram shows 2 NAND gates connected as part of a logic circuit. The table shows the output for the different possible combinations of inputs.

What type of logic gate is this arrangement equivalent to?

Input A	Input B	Output
0	0	0
0	1	0
1	0	0
1	1	1

AA NOT gate
BAn AND gate
CAn XOR gate
DA NOR gate
EAn OR gate

Q7:

Which of the following pairs of logic gates produces the same output as a NAND gate?

Q8:

NAND Gate
Input A	Input B	Output
0	0
0	1	1
1	0	1
1	1

The truth table shows the output of a NAND gate for various combinations of inputs.

What is the value of in the table?

Q9:

Input A	Input B	Input C	Output
0	0	0	1
0	0	1	1
0	1	0	1
0	1	1
1	0	0
1	0	1	0
1	1	0
1	1	1

The diagram shows two NAND gates connected as part of a logic circuit. The truth table shows the output for the various combinations of the inputs.

What is the value of in the table?

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