Transmission Mode - R.D.Sivakumar

1. R.D.SIVAKUMAR, M.Sc.,M.Phil.,M.Tech.,
Assistant Professor of Computer Science &
Assistant Professor and Head, Department of M.Com.(CA),
Ayya Nadar Janaki Ammal College,
Sivakasi – 626 124.
Mobile: 099440-42243
e-mail : sivamsccsit@gmail.com
website: www.rdsivakumar.blogspot.in
Transmission Mode

2. When two computers are in communication, data transmission may occur in one
of the three modes
Transmission Mode

3. Simplex mode
The device using the simplex mode of transmission can either send or receive data,
but it cannot do both.
An example is the traditional TV, the transmitter is sent the signal to TV, but TV
is no return any signals to transmitter.
The data can be transmitted back and forth between two stations.
But data can go in any one direction only.
An example is Walky-talky, One can waits of his turn while the other talks.
Half duplex mode
Full duplex mode
The data can be send and receive simultaneously. It is two way bridge.
An example is telephone, two people on the telephone talking and listening.