Data Communication Information communication Propagation of signs over a correspondence medium is called flagging. Correspondence of information starting with one place then onto the next place as signs is called transmission.is a procedure of exchanging information electronically starting with one place then onto the next.
Information can be exchanged by utilizing, distinctive media. Information is a gathering of crude statistical data points. It might comprise content, designs and sound and so on. An electromagnetic or light wave used to transmit information starting with one place then onto the next is known as a flag.
Basic Elements of Data Communication
Data Communication accompanying parts are required for fruitful correspondence to occur.
1. Sending Gadget:
A gadget that sends the message is called sending gadget. It is additionally called source or transmitter. The sending gadget can be a PC, fax machine or cell phone and so on. PC is typically utilized as sending gadget in correspondence framework.
2. Getting Gadget:
A gadget that gets the message is called getting gadget. It is additionally called sink. The getting gadget can be a PC, printer, fax machine or cell phone and so forth. A PC is typically utilized as getting gadget in correspondence framework
3. Specialized Gadgets:
Specialized gadgets are utilized to transmit messages amongst sending and receiving gadget through correspondence medium. The sending and getting gadgets must contain specialized gadgets for correspondence. Two most generally utilized specialized gadgets are modem and system card.
4. Transmission Medium:
The transmission medium is utilized to convey messages starting with one place then onto the next. It is additionally called correspondence channel. The transmission medium can be a physical link or remote association.
Encoder and decoder:
An encoder is a gadget that believers computerized motions in a frame that can go through a transmission medium. A decoder is a gadget that changes over the encoded signals into advanced shape.