Uninterruptible power supply and joystick: what they have in common

1. Step 1. Uninterruptible power supply — is part of — Data centre. Backup power.
2. Step 2. Data centre — has part — Server. Thousands of servers.
3. Step 3. Server — has part — Microprocessor. Processors.
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.

Open Evothings