Input , Output and Storage devices

Input , Output and Storage devices

1. Hardware - physical components

   • Monitor
     • Printer
       • Keyboard
         • Mouse
           • Microphone
   • External harware
   • Internal Hardware
     • Hard disk - stores all your application and files
       • CPU - 'brains' of the computer
         • Fan -keep CPU cool , stop it overheating
           • Motherboard

2. Software

   • Set of instructions
   • Operating system
   • Utilities
   • User interface

3. Input devices - is a piece of hardware that is used to enter data

   • Manual input devices
     • Keyboard
     • Mouse
     • Joystick
   • Automatic input devices
     • Barcode readers
     • Sensors
     • Biometric devices
     • Optical Mark Reader (OMR)

4. Output devices - is a piece of hardware that is used to output data that has been previously entered into the computer

   • Monitor
   • Printer
   • Plotter
   • Speaker
   • Headphones

5. Storage device is any media which is used to store data

   • Hard disk
   • DVD's
   • Magnetic tape