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1.1 revision - Coggle Diagram

- - - - The computer gets an signal and processes what to do with that signal like being told to type a letter on the word document
    - - The out put is the user being told what they wanted to happen through a device like a letter popping up on a word document or sound coming out of your speakers
    - - An input is when the user inputs something in to the computer like using and keyboard to type a letter in a word document
- - - - MDR which is the memory data register which its function is to store the instructions that the Data bus fetched
    - - The Program counter is a register which is used to located the next location of the next piece of data to be fetched
    - - The instruction register holds a piece of data and decodes and executes what the program tells it to do
    - - The MAR is updated by the MAR to contain the next piece of data's location to be fetched in the RAM
    - - The register that holds arithmetic data whilst calculations are being made by the ALU