Transmission Mode
| Simplex | Half Duplex | Full Duplex | |
|---|---|---|---|
| Direction of communication | 1 way | 2 way, one at a time | Two way, simultaneously |
| Send and receive | Only Sender can send | Sender can send and receive data but one at a time | Sender can send and receive data simultaneously |
| Example | Mouse and Keyboard | Walkie-talkie | Telephone |