2.3. Identifying Input Devices
An input device is one that transfers information outside the computer system to an internal storage location, such as system RAM, video RAM, flash memory, or disk storage. Without input devices, computers would be unable to change from their default boot-up state. This section details six different classes of input devices and a hub, of sorts, used for switching between the most common of these devices. This section also demonstrates the similarities shared by devices that provide input to computer systems as well as their differences. Installation considerations will be presented where appropriate. The input devices covered in the following sections are
Biometric devices ...