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There are two methods are used for transferring data between devices which are given below: Serial Transmission, and Parallel Transmission.
Serial Transmission:
In Serial Transmission, data-bit flows from one device to another device. In this transmission one bit flows at one clock pulse. Below shows one example in which there is Serial Transmission. In the example 8 bits are transferred one at a time on the same wire having a start and stop bit.
Parallel Transmission:
In Parallel Transmission, many bits are flow together simultaneously from one device to another device. Parallel Transmission is faster than serial transmission to transmit the bits. Parallel transmission is used for short distance.
Differences
Differences
Serial Parallel
Serial Parallel
In serial transmission, data(bit) flows in bi-direction.
Serial Transmission is cost efficient.
In serial transmission, one bit transferred at one clock pulse.
Serial Transmission is slow in comparison of Parallel Transmission.
Generally, Serial Transmission is used for long distance.
The circuit used in Serial Transmission is simple.
In Parallel Transmission, data flows in multiple lines.
Parallel Transmission is not cost efficient.
In Parallel Transmission, eight bits transferred at one clock pulse.
Parallel Transmission is fast in comparison of Serial Transmission.
Generally, Parallel Transmission is used for short distance.
The circuit used in Parallel Transmission is relatively complex.
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