Briefly describe the different methods for synchronizing communication between two devices.

Expert Solution

ANSWER:

Two methods are used for data communication between digital devices: serial transmission and parallel transmission.

With serial data transmission, the data bits are sent one after the other over the same channel. Parallel data transmission sends multiple bits of data simultaneously over multiple channels.

SERIAL COMMUNICATION: When data is sent or received using serial data communication, the data bits are arranged in a specific order as they can only be sent one after the other. The order of the data bits is important because it determines how the transmission will be organized when it is received. It is regarded as a reliable method of transferring data because a data bit is only sent if the previous data bit has already been received.

ADVANTAGE:

Serial transmission is commonly used to transfer data over long distances. It is also used in cases where the amount of data being sent is relatively small. It maintains data integrity by transmitting data bits in a specific order, one after the other. Thus, data bits are received synchronously with each other.

PARALEL COMMUNICATION: When data is sent using parallel data communication, multiple bits of data are transmitted over multiple channels at the same time. This means that data can be sent much faster than using serial methods. Given that multiple bits are sent over multiple channels at the same time, the order in which a bit string is received can depend on various conditions such as proximity to the data source, user location, and bandwidth availability.

ADVANTAGES:

The main advantages of parallel transmission over serial:

Easier to program;
Data is sent faster.

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venereology answered 1 year ago

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