computing devices and computer systems close computer systemA series ... digitised is often described as analogue. There are some input devices specifically designed to help people who may not ...

A computer system is made up of different parts and ... the computer stores programs and information. The mouse is an input device. We click the buttons on the mouse to make choices and give ...

Originally designed to work with the Xerox Alto computer system, it was officially called ... making it one of the most ubiquitous input devices in history.