Information Systems

Information Systems

1. Input Devise: Date entered in a system

   • Examples: keyboard, mouse, microphone, scanners, touch sensitive screen and digital camcorders

2. Output Devise: the action that occurs after an input has been processed

   • Examples: speakers, printer, monitor, graph plotter

3. Storage Devise: information kept for later use

   • Examples: hard disks, DVDs, CDs, magnetic tape, USB (flash memory)

4. Hardware: the physical object that make up a computer system

   • Examples: a monitor, printer or connection cable
   • Types of hardware: the main component that makes the computer work is microprocessor
     • The microprocessor is a silicon chip that contains the CPU (Central Processing Unit ). he CPU carries out all the calculations that make the computer work. It is sometimes called the 'brain' of the computer