| Keyword | Definition |
|---|---|
| address | the location within memory to read data from or write data to. |
| central processing unit | a hardware component which is able to understand and run instructions to control the rest of a computer |
| computer system | hardware and software working together to process inputs and generate outputs |
| decode | the second stage of a CPU's job which involves looking at an instruction to work out what it means |
| execute | the third stage of a CPU's job which involves actually doing the current instruction |
| fetch | the first stage of a CPU's job which involves getting an instruction from memory |
| instructions | lines of code which tell a program what to do |
| memory | a place outside of the CPU which can store lots of values or instructions |
| register | a place within the CPU which can store a single value or instruction |
