The flashcards below were created by user
danilamotte
on FreezingBlue Flashcards.
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biometric devices
identify a person through a fingerprint, voice intonation or some other biological characteristics. for example: retinal identification devices use rays of light to identify the distince network of blood vessels at the back of the eyeball
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flat-panel display
most common type of display screen. LCD's are made up of two plates of glass seperated by a layer of substance in which light is manipulated. are essential to portable computers and desktops
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RFID devices
source data entry technology based on a n identify tag bearing a microchip that specific code numbers are red by the radio waves of a scanner linked to a database
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scanners
source data input device that uses light-sensing (optical) equipment to translate images of text, drawing, photos, and the like into digital form
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soft copy
data on a display screen or in audio or voice form. this kind of output is not tangible; it can't be touched
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sound output
hardware that produces digitized sounds, raging from beeps and chirps to music
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voice output
hardware that converts digital data into speech like sounds
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