Define duplex,full duplex, and simplex ?

- Duplex: Duplex refers to a type of communication system that allows for the simultaneous transmission and reception of data. In a duplex system, two devices can communicate with each other in both directions at the same time.

- Full duplex: Full duplex is a type of duplex communication system where both devices can transmit and receive data simultaneously. This allows for two-way communication to occur in real-time without any interruptions.

- Simplex: Simplex is a type of communication system where data can only be transmitted in one direction. In a simplex system, communication can only occur from one device to another, but not in both directions simultaneously.