This type of device can be used to identify individuals using unique features such as the iris pattern, finger prints or voice pattern

This device can read numerical data that is printed on cheques with magnetic ink using a special font.

This device connects to a sound card and allows the user to input speach and other sounds.

This device is suited to direction control in some games as well as controlling physical devices such the tilt/pan on CCTV cameras, an electric wheel-chair or robot vehicles.

This device has an alphanumeric keyboard and is used for inputting text and numbers into a conputer.

A 'point and click' device that is used to control a screen cursor and select menus items.

This device can quickly read numerical data that is entered as marks on a pre-printed sheet such as a lottery ticket or a class register.

This device converts the text on a scanned image or photograph into text that can either be edited or looked up in a database.

This device allows the user to select from a range of options that are labeled using icons or images.