what is Data transfer (DCCN-1)
Data transfer -I t is the way to communicate data and sharing data the sharing can be local and renote -it is the exchanging of data a between two devices and same transmission medium like wire and wireless. -in whole communication system then must a physical component equipment and software. -the data communication system depended in 4 major characteristics.these are 1.delivery 2.accuracy 3.timeline 1.delivery the system must deliver the data to the correct destination. 2 accuracy the system must deliver the data in accurately. 3 timeline the system must deliver the data with in proper time. -it refers to the variation in packet arrival time. -lets video packet are send at every so millis