Input device

Examples of input devices include keyboards, computer mice, scanners, cameras, joysticks, and microphones.

Standard keyboards can be categorized by its size and number of keys, and the type of switch it employs.

Keyboards on laptops and tablets typically compromise on comfort to achieve a thin figure.

A pointing device allows a user to input spatial data to a computer.

Common pointing devices include mice, touchpads, and touch screens.

A sensor is an input device which produces data based on physical properties.

These kinds of devices are typically used in virtual reality systems (CAVEs), where input that registers six degrees of freedom is required.

Devices such as microphones allow users to speak to the computer in order to record a voice message or navigate software.

A common computer input device, a keyboard. A user presses a key which transfers information to a computer.
A computer mouse
MEMS sensors (among other devices) used in a mobile device
Controllers for use with the Oculus Rift virtual reality system
Microsoft Kinect sensor, works by detecting human motion visually