CC: Tweaked

A chest's contents being read by a computer and displayed on a monitor

A ComputerCraft terminal open and ready to be programmed

A turtle tunneling in Minecraft

Massive monitors

Increasingly large monitors over the years allow you to advertise your waifu, spread good programming practices, or both!

A ComputerCraft powered shop

A large inventory system powered by ComputerCraft

Computers can interact with many blocks in the world. By networking chests together, you can build powerful AE/RS-style inventory systems.