🎯 Learning Objectives
- Recall that characters can be represented as sequences of symbols and list examples of character coding schemes
- Measure the length of a representation as the number of symbols that it contains
- Provide examples of how symbols are carried on physical media
💬 Key Vocabulary
- Representations
- coding (encoding/decoding)
- symbols
- coding scheme
- characters
- physical medium
📝 Communication at a distance
Two friends live in huts on opposite sides of a great lake. How can they exchange messages from a distance?
Discuss this with the person next to you.
(The friends can’t use mobile phones).
📝 Level 1 & 2 – Lights and Drums
For this activity you will be working in groups.
Your group will be assigned:
- A message to transmit
- A coding scheme
- Communication equipment
Your group will:
- Encode the message
- Use the equipment to transmit it
- Receive messages
- Decode them
Download the worksheet below to see how this will take place.
In this lesson, you…
- Used paper, lights, and sound to send and receive messages.
Next lesson, you will…
- Focus on the symbols used in Computer Science: 0s and 1s.
🏅 Level up
🥇 Level 1
- Upload your notes from this lesson to Teams, depending on the quality, quantity, grammar and spelling of these notes you will be awarded Level 1 and/or 2.
🥈 Level 2
- Upload your notes from this lesson to Teams, depending on the quality, quantity, grammar and spelling of these notes you will be awarded Level 1 and/or 2.
🥉 Level 3
- Go to this page https://crewsproject.wordpress.com/write-your-name-in-an-ancient-writing-system/
- Choose a different ancient form of writing from what you did before, use the worksheet and the videos here to write your own name in these ancient languages using the skills you have learnt today.
- Then upload your name to Teams, you will likely need to use paper to write it so take a photo with your phone and upload it.