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22 terms

unit 2, chap 5

STUDY
PLAY
these are special keys programmed to issue commands to a computer
function keys (F1, F2, etc.)
input device that contains keys users press to into data into the computer
keyboard
a ____ ___ is an instruction issued by replying to a question that is displayed
user response
switches between two states each time a user presses the key
toggle key (caps lock, num lock)
symbol on screen usually a blinking vertical bar
cursor
unlike most desktops, a typical notebook computer usually has about ___ keys
85
voice ___ is the computers capability of distinguishing spoken words
recognition
another window on the screen during a video conference that displays notes & drawings simultaneously on all participants' screens
white board
many scanners include ___ software, which can read & concert text documents into electronic files
OCR (optical character recognition)
a touch sensitive display device that users interact with by touching the screen with a finger
touch screen
an artist can create drawings/sketches by using a pen or cursor on a(n) ___ ___, which is a flat, rectangular, electronic plastic board
graphics tablet
a(n) ___ ___ is a flat electronic device divided into panels that users press with their feet in response to instructions from a music video game
dance pad
a new type of mouse which is motion sensing
air mouse
a ___ ___ is a meeting between 2+ geographically separated people who use a network of the internet to transmit audio & video data
video conference
technology that reads hand-drawn marks such as small circles or rectangles
optical mark recognition (OMR)
this is an ID code that consists of vertical lines of different widths
bar code
uses radio signals to communicate with a tag placed in or attached to an object, animal or person
RFID
used almost exclusively by the banking industry for check processing
MICR (magnetic ink character recognition
a ___ identifier is a physiological or behavioral characteristic such as fingerprints, hand geometry, facial features, voice, signatures, & eye patterns
biometric devices
captures a live face image & compares it with a stored image to determine if the person is legit user
facial recognition
most retail stores use a ____ terminal to record purchases, process credit or debit cards, & update inventory
POS
an ATM asks users to enter a
PIN