Computing

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Number bases

In this lesson, we will use decimal representation to explore the concept of place values in number bases and the values of digits. Then, we will explore the representation of binary values, and converting these back to decimal.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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.Anything that can be in two states is called...

1/3

Q2.Which of these is an example of data? Select two

Select two (2) boxes

2/3

Q3.If you had 3 light bulbs, how many combinations of ON and OFF could you make?

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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.Anything that can be in two states is called...

1/3

Q2.Which of these is an example of data? Select two

Select two (2) boxes

2/3

Q3.If you had 3 light bulbs, how many combinations of ON and OFF could you make?

3/3

Video

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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:

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Number bases

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

Q1.True or False: Binary has a base of 2

1/4

Q2.True or False: Decimal has 10 digits

2/4

Q3.Convert this value from binary to decimal: 1111

3/4

Q4.Convert this value from decimal to binary: 32

4/4

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Number bases

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

Q1.True or False: Binary has a base of 2

1/4

Q2.True or False: Decimal has 10 digits

2/4

Q3.Convert this value from binary to decimal: 1111

3/4

Q4.Convert this value from decimal to binary: 32

4/4

Lesson summary: Number bases

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The next lesson in:
Data Representation
is:
Binary maths

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