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Hardware (Input devices (An input device is any piece of computer hardware…

- - - - Some examples are- Keyboard, remote control, Scanner, Digital Camera, Touch screen, Light pen
    - - Some examples are- Magnetic stripe reader, chip and PIN reader, Barcode reader
- - - - • Permanent, long term memory and nothing can be erased.
      - • Non-Volatile memory- everything that changes is permenant
      - • Known as Boot memory
      - • Responsible for turning on and off your computer
    - - • Called rondeaux's memory
      - • Temporary short working memory
      - • EG- working on comp with different tabs open, or when computer asks if you want to continue with last document.
      - • Only woks when computer is on
      - • Volatile memory (short term memory)
      - • More that you have, faster computer
      - • Amount of RAM influences in fastness and speed of computer.
    - - Main internal backing store
      - Non-Volatile
      - Data is stored on a spinning disk with a magnetic surface
      - There are 3 external hard disks-/ storage media
        
        Magnetic storage media
        
        Floppy disk
        
        Were very important before because it was the only way to transport data from 1 thing to another.
        
        Portable hard drive
        
        Instead of being on comp, it is moved around and the only thing that you need is an USB portal.
        
        Magnetic tape
        
        Responsible to store mainly media from cameras.
        
        Camara would record what was happening and you would just have to change the films.
        
        Now do not exist at all because of the digital era.
        
        Tape were very important because the magnetic tape would have more storage than other disks.
        
        Optical storage media
        
        Differences between them is the light that they are scanned by.
        
        Read by laser.
        
        Solid Storage media