Year 8

Year 8

# Binary Digits

## Lesson details

### Key learning points

1. In this lesson, we will grasp what binary digits are by associating them with familiar sets of symbols such as letters and decimal digits. We will solve simple problems that reinforce the connection between (alphanumeric) information and its binary representation.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Exit quiz

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### 7 Questions

Q1.
What is ASCII?
Correct answer: ASCII is a coding scheme that represents every character as a sequence of 0s and 1s
ASCII is a coding scheme used to determine your bandwidth
ASCII is an 8-bit coding scheme
Q2.
What is the length of this sequence: "slide"?
3 letters long
6 letters long
Q3.
How many different characters can be encoded using 7 bits?
Correct answer: 128 different 7-bit sequences
164 different 7-bit sequences
256 different 7-bit sequences
Q4.
How many different character are there with an 8-bit coding scheme?
128 different characters
64 different characters
Q5.
How many binary digits does it take to represent the message: Great work!