# Logic gates

In this lesson, you will discover logic gates — the building blocks of processors at the heart of a computer system. Through the activities you will build an understanding of how logic gates are used to address real-world problems.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which of these is not a factor that impacts a CPU's performance?

1/3

Q2.If my processor is an octo-core chip, how many cores does it have?

2/3

Q3.What is the extra cost required to run multiple CPU cores called?

3/3

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which of these is not a factor that impacts a CPU's performance?

1/3

Q2.If my processor is an octo-core chip, how many cores does it have?

2/3

Q3.What is the extra cost required to run multiple CPU cores called?

3/3

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# Logic gates

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.How many outputs do ALL logic gates have?

1/4

Q2.What would the output of an AND logic gate be if both inputs are True?

2/4

Q3.What would the output of an OR gate be if both inputs are False?

3/4

Q4.What would the output of a NOT gate be if the input is False?

4/4

Quiz:

# Logic gates

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.How many outputs do ALL logic gates have?

1/4

Q2.What would the output of an AND logic gate be if both inputs are True?

2/4

Q3.What would the output of an OR gate be if both inputs are False?

3/4

Q4.What would the output of a NOT gate be if the input is False?

4/4

# Lesson summary: Logic gates

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance