1. Open the notes from "Hello Ruby: Journey Inside the Computer". 2. Finish the Scratch program so that each piece of hardware explains what its job is when you click on it.
Pictures of CPU, GPU, hard drive, and RAM are from Hello Ruby by Linda Liukas: http://www.helloruby.com/play/22 Picture of motherboard, keyboard, mouse, and microphone are by LittleRiver_Tech
