physical
physical
physical
to convert a frame into a series of signals to be transmitted on the local media
to convert a frame into a series of signals to be transmitted on the local media
BTS is Base trans-receiver station in Mobile communication. It is the base station which receives signals from mobile station. It sends the data or signals to the mobiles.
MODEM (Modulator - Demodulator)modulates Digitals signals to Analog to send over Telephone lines and Demodulates Analog signals in Digital Signals.
pragmatic functions are type of communication signals which are used for certain purpose
The scope of work and the educational requirements are the difference between data communication and data communication information.
it receives signals and sends out signals
data communication link
In computing, input/output or I/O is the communication between an information processing system (such as a computer) and the outside world, possibly a human or another information processing system. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it.