Please enable JavaScript.

Coggle requires JavaScript to display documents.

Revsion (Secondary Storage (Optical (Portable, Small Physical Size, Low…

- - - - Arithmetic Logic Unit
        
        The arithmetic logic unit executes the instructions.
    - - Is slow but holds a large part of the data in a computer
    - - Control Unit
        
        Decodes the data into instructions
  - - - Memory Data Register
        
        It holds the data in RAM, the MAR works together with it.
    - - Memory Address Register
        
        It knows the location of the data that are needed to execute commands
- - - - Volatile
        
        It saves all its data even if its is turned off
      - BIOS
        
        Holds all the BIOS filed. Without it you wouldn't be able to open up your computer.
        
        Has a basic user interface
      - Uneditable
        
        You can not change this data unless it goes into ram
  - - - Non Volatile
        
        When the power is lost all data is also lost.
      - Editable
        
        You can edit this data etc
      - Instructions
        
        Holds instructions going to/ or are being used by the CPU