Types Of Data Communication
Synchronous Communication: In synchronous communication, data is transmitted at regular intervals, with both the sender and receiver synchronized using a clock. Each party knows exactly when to expect the next piece of data, making it ideal for real-time systems where timing is critical, such as in voice or video calls.
Asynchronous Communication: Asynchronous communication allows data transmission to happen at any time, without requiring the sender and receiver to be synchronized. Instead of a clock, it uses start and stop bits to signify the beginning and end of the data, common in applications like email or messaging.
Serial vs. Parallel Communication:
- Serial Communication: In serial communication, data is sent one bit at a time over a single communication channel. It is slower than parallel communication but more reliable over long distances, and is widely used in USB and RS-232.
- Parallel Communication: In parallel communication, multiple bits are transmitted simultaneously over multiple channels, which makes it faster than serial communication. However, it is typically used for short-distance communication, such as between a computer and a printer, because synchronization issues arise over long distances.
