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H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
audio input
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Process of entering any sound, such as speech, music, and sound effects, into the computer.
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bar code reader
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Optical reader that uses laser beams to read bar codes by using light patterns that pass through the bar code lines. Also called a barcode scanner.
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fingerprint reader
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Biometric device that captures curves and indentations of a fingerprint and compares them with those of a stored image.
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Input
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Any data and instructions entered into the memory of a computer.
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input device
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Any hardware component that allows users to enter data and instructions into a computer.
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joystick
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Handheld vertical lever mounted on a base used to control actions of a simulated vehicle or player.
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keyboard
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input device that contains keys users press to enter data and instructions into a computer.
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light pen
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Handheld input device that can detect the presence of light.
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magnetic stripe card reader
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Reading device that reads the magnetic stripe on the back of credit, entertainment, bank, and other similar cards. See also magstripe reader.
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mouse
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Pointing device that fits comfortably under the palm of a user's hand.
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OCR devices
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Optical character recognition devices that include small optical scanners for reading characters and sophisticated software to analyze what is read.
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optical character recognition (OCR)
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Optical reader technology that involves reading typewritten, computer-printed, or hand-printed characters from ordinary documents and translating the images to a form that a computer can process.
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pointing device
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Input device that allows a user to control a pointer on the screen.
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pointing stick
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Pressure-sensitive pointing device shaped like a pencil eraser that is positioned between keys on a keyboard and moved by pushing the pointing stick with a finger.
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POS terminal
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Terminal used by retail stores to record purchases, process credit or debit cards, and update inventory.
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RFID
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Short for radio frequency identification; standard, specifically a protocol, that defines how a network uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person.
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scanner
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Light-sending input device that reads printed text and graphics and then translates the results into a form the computer can process. See also optical scanner.
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smart card
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Card, similar in size to a credit card or ATM card, that stores data on a thin microprocessor embedded in the card.
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pen input
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stylus or digital pen used to draw,write or make selections
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stylus
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Small metal or plastic device that looks like a ballpoint pen, but uses pressure instead of ink to write, draw, or make selections
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touch screen
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Touch-sensitive display device with which users interact by touching areas of the screen.
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touchpad
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Small, flat, rectangular pointing device that is sensitive to pressure and motion.
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trackball
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Stationary pointing device with a ball on its top or side.
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voice input
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Process of entering data by speaking into a microphone.
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voice recognition
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Computer's capability of distinguishing spoken words. Also called speech recognition
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