Worksheet: AND Gates

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

Q1:

Which of the following symbols represents an AND gate?

  • A
  • B
  • C
  • D

Q2:

Input A Input B Input C Output
0 0 0 0
0 0 1 𝑝
0 1 0 0
𝑞 1 1 0
1 0 0 0
1 0 1 0
1 1 0 𝑟
𝑠 1 1 1

The diagram shows two AND 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 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?

Q3:

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

  • A0
  • B1

Q4:

The diagram shows an AND gate. If input A is 1 and the output is 0, what must input B be?

  • A0
  • B1

Q5:

AND Gate
Input A Input B Output
0 0 0
0 1 p
1 0 0
1 1 q

The truth table shows the output of an AND gate for various combinations of inputs.

What is the value of p in the table?

What is the value of q in the table?

Q6:

The diagram shows two AND gates, where the output of the first AND 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?

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