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A wearable computer is

[a] category of computing technology representing the far end of the portability spectrum. A typical wearable computer might consist of the following components, all of which have been created in at least prototype systems: a belt-mounted unit that contains the main processor; storage and batteries; use of wireless technology; a pair of glasses with built-in speakers; microphone and miniature video camera to communicate with the I/O unit; and computer displays that are projected using the glasses to generate a transparent holographic display, which is superimposed over the user's normal field of vision. Commands would be entered using speech or a small handheld device that acts as a keyboard/mouse equivalent. The system might also include biosensors in a wristwatch-like device.[1]


  1. GovITWiki (full-text).

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