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Complete Communication Notes
Information Processes and Technology
9 Pages • Topic Notes • Year: Pre-2020
Communications Systems Data source – source of transmission Transmitter – encodes data into signal suitable for transmission Transmission media – is the channel the message is sent through Receiver – decodes the signal back into data. Destination – receiver Parallel - several bits at a time - deteriorates over distance Serial - slightly slower - one bit at a time simplex – one way, eg. TV, radio half duplex – one direction at a time, eg walkie talkie full duplex – both directions simultaneously, eg telephone LAN WAN
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