Bedrock

Foundations

What a computer really is: bits, steps, programs and memory. Everything else stands on this.

1. How computers store informationFrom on/off switches to numbers, text and colour.
2. Algorithms and pseudocodeWriting steps a computer can't misread, from plain words to Scratch blocks.
3. From code to a running programCompilers, interpreters, bytecode and virtual machines.
4. Memory: addresses, stack and heapWhere a running program keeps things, and how it finds them again.

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