When data is transmitted from one device to another, it is sent as a large number of databits
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Parallel Transmission
A Number of databits (8,16,32) can be sent at the same time along a number of paths. | Used internally when data is sent along the buses | Faster than serial transmission | Can only be used for sort distances
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Serial Transmission
Bits are sent after another along a single wire. | Used for greater distances | Can be fast on fiber optic cables
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Simplex
Transmission of data can be in one direction only - eg radio
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Half Duplex
Transmission can be in both direction but only one direction at a time - Walkie talkies
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Full duplex
simultaneous transmission of data in both directions is possible - eg telephone
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Cicuit Switching
A number of switches are set to create a path along which data can be sent.
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Packet Switching
In Packet Switching system data messages are split into packets of fixed size
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Other cards in this set
Card 2
Front
A Number of databits (8,16,32) can be sent at the same time along a number of paths. | Used internally when data is sent along the buses | Faster than serial transmission | Can only be used for sort distances
Back
Parallel Transmission
Card 3
Front
Bits are sent after another along a single wire. | Used for greater distances | Can be fast on fiber optic cables
Back
Card 4
Front
Transmission of data can be in one direction only - eg radio
Back
Card 5
Front
Transmission can be in both direction but only one direction at a time - Walkie talkies
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