Matching Pairs Digital Data Communication Online version Techniques and Multiplexing by Aidora Abdullah 1 2 Demultiplexing delivers received segments at the receiver side to this layer in the OSI reference model. 3 Multiplexing technique to transmit analog signals. 4 Example of simplex transmission 5 Time Division Multiplexing 6 The layer in the OSI reference model which is the junction for multiplexing and demultiplexing. 7 Example of duplex transmission 8 Example of half-duplex transmission 9 Sending data from one particular device to another, and measured in bits. 10 11 Uses of serial transmission 12 Bits are sent simultaneously over a number of lateral wires. 13 Disadvantages of parallel transmission 14 The 4-tuple to identify a TCP socket in connection-oriented multiplexing and demultiplexing 15 Wavelength division multiplexing (WDM) 16 Bits are sent consecutively over a single wire. 17 The form that data travels in digital devices. 18 19 Uses of parallel transmission 20 Takes data stream from one high-speed line and breaks into portions and sends over several lower-speed lines simultaneously. Multiplexing Data transmission Uses light signals transmitted through fiber optic channels whereby very narrow bands of light are combined from several sources to make a wider band of light. serial transmission Data can be lost, receiving device has to reorder data, crosstalk. Long range transfers, almsot all external components connected to another device, connecting a phone/keyboard/printer to a laptop. Integrated circuits, busses, connecting internal hard disk to a CPU. Transport Layer Application layer parallel transmission source IP address source port number destination IP address destination port number Frequency Division Multiplexing (FDM) Example of connectionless multiplexing and demultiplexing Demultiplexing
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