Data transmission
Edit Watch this page Read in another language Data transmission "Data transfer" redirects here. For sharing data between different programs or schemas, see Data exchange . Data transmission also data communication or digital communications is the transfer of data (a digital bitstream or a digitized analog signal [1] ) over a point-to-point or point-to-multipoint communication channel . Examples of such channels are copper wires , optical fibers , wireless communication channels, storage media and computer buses . The data are represented as an electromagnetic signal , such as an electrical voltage , radiowave , microwave , or infrared signal. Analog or analogue transmission is a transmission method of conveying voice, data, image, signal or video information using a continuous signa...