The Three Major Components of a Computer System. Alfred is a long-time teacher and computer enthusiast who works with and troubleshoots a wide range of computing devices. A computer functions on three major systems; hardware, software, and human ware. For more information get help at CodeAvail- Online Computer Science Assignment
Input unit is about what we call the things that are accountable for feeding things into the computer. They can be a simple muse or keyboard to complex scanners and joysticks. They are all about feeding in information into computers.
Output unit is all about those things which are going to give us final feedback and display. It is the monitor, speakers, printers and other stuff. Its basic function is to give us the full and final picture of the computer.