Module 4
Section outline
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Have you ever thought about how a computer knows what to do when you click a button or play a game? The CPU (Central Processing Unit) is a little brain that tells your computer what to do step by step. The CPU does not know how to read conventional words; it only knows how to read special codes. This is where assembly language comes in. People can talk to the computer's brain in a hidden language called Assembly. They do this by using short, basic terms like ADD (add numbers) or JMP (jump to a different command). These instructions tell the computer exactly what to do and how to do it, and it does it very quickly and accurately. The CPU employs small storage areas called registers to follow these steps. These are very rapid places where the computer stores numbers or information as it works on a task.
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