![]() ![]() ![]() Conversely, Parallel Transmission is unreliable and complicated. Serial Transmission is simple and reliable.Serial transmission cables are thinner, longer and economical in comparison with the Parallel Transmission cables.The special types of converters are required in a serial transmission system to convert the data between the internal parallel form and serial form while there is no such requirement of converters in parallel transmission systems.In contrast, Parallel Transmission is half-duplex since the data is either sent or received. Serial Transmission is full-duplex as the sender can send as well as receive the data.On the contrary, in Serial transmission data flows through a single wire. Parallel transmission is faster as the data is transmitted using multiples lines.Since one bit follows another in Serial Transmission whereas, in Parallel Transmission multiple bits are sent together. Error and noise are least in serial as compared to parallel transmission. ![]() As against, parallel transmission is used for the shorter distance. Serial transmission is used for long-distance communication.Serial transmission requires a single line to communicate and transfer data whereas, parallel transmission requires multiple lines.Key Differences Between Serial And Parallel Transmission Despite the speed of the data, the parallel transmission has a limitation called skew where bits could travel in quite different speeds over the wires. ![]()
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