"Look at Slide 5. You are looking at the most expensive piece of 'sand' you will ever buy. The CPU is made of silicon. See those tiny pins? They are the communication lines. The CPU doesn't actually 'think'—it calculates billions of simple yes/no questions per second. If your computer is a restaurant, the CPU is the head chef shouting orders. But remember—a chef needs a countertop to work on. That countertop is our next slide: RAM."

: The boot program stored in the ROM (Read-Only Memory) activates [32].

: The computer sends power to the internal fans and the motherboard [32].