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Unformatted text preview: photos into digital form? Scanner . Communications signals represented in a binary format are said to be __________ Digital. Each zero and one signal represents a ___________. Bit. What are some other health issues that come into play when dealing with computers? Electromagnetic fields that could cause cancer, back and neck pains from poor postures (laptops are the worst), and psychological stress from noise made by computer fans or contact printers. Transmitting a signal from a ground station to a satellite is called ____________. uplinking . Fingerprint scanners, face-recognition systems, iris-recognition systems are based on _________. biometrics, or the science of measuring individual body characteristics ....
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- Summer '09