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Network #6

From 3.2

TermDefinition
Analog signal Continuous in time and value
Analog data Information that is continuous
Digital signal Discrete in time and value. Positive voltage/light pulse = 1. Zero voltage/lack of light = 0
Digital data Information that has discrete states
Data modulation Technology that uses analog signals to transmit digital data. Can send symbols or binary
Modem Translator
Amplitude Analog wave's strength
Frequency(Hz) Number of times amplitude cycles within one second
Wavelength Distance between corresponding wave cycle points, expressed in metres/feet
Phase Wave's progress over time in relationship to fixed point
Thoughtput Measures amount of data transmitted during a time period. Depends on bandwidth and tech
Bandwidth(Hz) Measures difference between highest and lowest frequencies medium can transmit
Channel Distinct communication path between nodes. Separated physically or logically
Attenuation Decrease of signal
Latency Time delay between signal transmission and receipt. AKA fixed delay
Round trip time(RTT) Time for packet to go from sender to receiver, then back from receiver to sender
Created by: jolly_n4
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