Input device

Logitech Cordless Trackman Optical Trackball mouseAn input device is any hardware device that sends data to the computer, without any input devices, a computer would only be a display device and not allow users to interact with it, much like a TV. In the picture to the right, is a Logitech trackball mouse and an example of an input device. Below is a complete listing of all the different computer input devices that can be used on a computer.

Types of input devices

Tip Keep in mind that drives such as a CD-ROM, DVD, and a Floppy diskette drive may be capable of sending the computer information but they are not input devices. These devices are considered storage devices.

Also see: HID, Input, Input/output device, Keyboard definitions, Mouse definitions, Output device, Pointing device