Entropy and joystick: what they have in common

1. Step 1. Entropy — is used in — Bit and information theory. Shannon’s information entropy.
2. Step 2. Bit and information theory — uses — Binary number system. A bit is a binary unit.
3. Step 3. Binary number system — is used in — Microprocessor. It works with binary numbers.
4. Step 4. Microprocessor — is part of — Game console. A processor.
5. Step 5. Game console — has part — Gamepad. A gamepad.
6. Step 6. Gamepad — evolved from — Joystick. A game controller.

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