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Communication

Like communication stuff

TermDefinition
Data Transmission Moving data from one place to another. Binary digits represent the data. Occurs between a transmitter and receiver over a transmission medium. Data encoded as electromagnetic signals
Serial Data Transmission Single bits sent one after another along a single wire by varying the signal voltage. One of 2 possible binary digit values (0,1). used for long distance communication - cabling relatively cheap
Parallel Data Transmission Dits sent down several wires simultaneously.8 data wires, 1 return wire, 1 strobe wire and 1 ready/busy wire. Used over short distances, If used over long distances: wires make it expensive, problem with skew
Baud Rate Sets the frequency at which signals on a wire may change
Bit Rate Measured in bits per second. The bit rate is the same as the baud rate when one bit is sent per time between signal changes. It is possible to send more than one bit between signal changes if more than two voltage levels are used to encode bits.
Bandwidth How fast the data may be transmitted over the transmission medium. Greater the bandwidth the greater the rate at which data can be sent - higher bit rate
Created by: jbarr0w
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