Output devices
Desk-bound displays (CRT, LCD, Plasma)
Portable displays
Displays in helmets
, eye glasses
, projections onto retina
Wall-mounted displays (projections
), whiteboards
Speech Audio
Non-Speech Audio
Force output
Special output devices for people with disabilities
(Braille display
, speech, etc.)
+
Cater to variety of possible output devices
,
eye glasses
,
projections onto retina
),
whiteboards
,
eye glasses,
projections onto retina),
whiteboards
,
speech, etc.)