Hardware

Hardware

1. A physical part of the computer system

2. Pheripheral:

   • hardware external to the computer system
   • Input
     • Any peice of hardware which trasnmit data into the computer system
       • no processor can work properly unless the processor is given instructions
   • Output
     • A peice of hardware which displays information and results taken from the processor
       • No point a computer processing data to information unless it can be displayed in a suitable manner or used to affect future input of the system
   • Storage
     • A piece of hardware that can store data outside the processor, that can be inputted back into the processor
       • Needed as if computer is switched off, it loses its data
     • Used to transfer data