Digital Communication
From Learning and training wiki
 Digital Communication |
| Is the physical transfer of data (a digital bit stream) over a point-to-point or point-to multipoint communication channel. Examples of such channels are cooper wires, optical fibres, wireless communication channels, and storage media. The data is represented as an electro-magnetic signal, such as an electrical voltage, radiowave or infra-red signal.[1] |
References
- ↑ Data transmission - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Digital_communication