In this lesson, we will learn how to determine the input and output of NAND gates in logic circuits and complete 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.

What is the value of 𝑝 in the table?

What is the value of 𝑞 in the table?

What type of logic gate is this arrangement equivalent to?

Q3:

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

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