› #19 of 30 · The Machine
Memory
How a bit is stored
Comes after #18 CPU
Build the real thing
Buy
Core64 core-memory kit + a RAM stick
Build the Core64 kit, a grid of 64 tiny magnetic rings where each ring holds one bit, and set it beside a modern RAM stick that holds billions of bits.
- Core64
- Cost
- $$$ · Over $100
- Time
- A few sessions
- Screens
- No screen needed
For the grown-up
The kit needs some soldering. A grown-up supervises it, everyone wears eye protection, the room is ventilated, and hands get washed afterward.
Build it in bricks
Brick build comingPalm-size
Step-by-step brick booklets land one model at a time, starting with the Starter Five.
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