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

Q1:

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

What is the value of 𝑝 in the table?

What is the value of 𝑞 in the table?

What is the value of 𝑟 in the table?

What is the value of 𝑠 in the table?

Q2:

The diagram shows an XOR gate. If input A is 1 and the output is 1, what must input B be?

Q3:

The diagram shows an XOR gate. If input 𝐴 is 0 and input 𝐵 is 0, what will the output be?

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