There are two methods are used for transferring data between computers which are given below: Serial Transmission, and Parallel Transmission.
In Serial Transmission, data-bit flows from one computer to another computer in bi-direction. In this transmission one bit flows at one clock pulse. In Serial Transmission, 8 bits are transferred at a time having a start and stop bit.
In Parallel Transmission, many bits are flow together simultaneously from one computer to another computer. Parallel Transmission is faster than serial transmission to transmit the bits. Parallel transmission is used for short distance.
Difference between Serial and Parallel Transmission:
|S.NO||Serial Transmission||Parallel Transmission|
|1.||In serial transmission, data(bit) flows in bi-direction.||In Parallel Transmission, data flows in multiple lines.|
|2.||Serial Transmission is cost efficient.||Parallel Transmission is not cost efficient.|
|3.||In serial transmission, one bit transferred at one clock pulse.||In Parallel Transmission, eight bits transferred at one clock pulse.|
|4.||Serial Transmission is slow in comparison of Parallel Transmission.||Parallel Transmission is fast in comparison of Serial Transmission.|
|5.||Generally, Serial Transmission is used for long distance.||Generally, Parallel Transmission is used for short distance.|
|6.||The circuit used in Serial Transmission is simple.||The circuit used in Parallel Transmission is relatively complex.|
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