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Lesson: AND Gates

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

Worksheet • 5 Questions

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
π‘ž 1 1 0
1 0 0 0
1 0 1 0
1 1 0 π‘Ÿ
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 π‘ž in the table?

What is the value of π‘Ÿ 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?

  • A1
  • B0

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?
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