Lesson 1 - Computer components
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CPU, Memory and I/O
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What is a computer?
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Hardware and software
RAM
Lesson 2 - The Central Processing Unit
Lesson 3 - Secondary storage
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Binary and data
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How Hard Drives work
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Computer memory
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SSD vs HDD
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Optical Discs
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Memory and storage
Lesson 4 - Logic gates
Lesson 5 - Computer Hardware timeline project
Links to more info.
https://www.internetsociety.org/internet/history-internet/
https://www.britannica.com/technology/computer/History-of-computing
https://www.timetoast.com/timelines/history-of-the-computer-for-kids
https://www.bbc.co.uk/bitesize/topics/zbhgjxs/articles/ztrq7ty
Below is the beginning of a timeline I have started myself - to show you one way of doing it. - I have only done two slides for 1940s and 50/60s but it should give you an idea.