What is full duplex?

Full Duplex: the link transfers data in both directions 

means that data can be transmitted in both directions on a signal carrier at the same time

both ends of the communication can send and receive signals at the same time

Full duplex is mode of transmission in which data or signal can be transmitted at the same time without any lag or delay. the best example is telephone we can speak and listen at the same time unlike walkie talkie. 

transmission of data in two directions simultaneously

transmission of data at a same time on a single carrier

When the transmission and reception of data takes place simultaneously, the type of transfer is known as full duplex.

Sending and Receiving the traffic at a time through a communication channel

briefly , it's the usage of the full cable in two ways ( send & receive ) in the same time >

The transmission of Data takes place in various ways and one of them is FULL DUPLEX mode. In this mode of data transmission the signal can be transmitted and received at same time.

Send & Receive simultaneously