e853c34c__and_Educational_Standards_NSW__Students_learn_to_
[Students learn about:] examples of communication systems teleconferencing systems messaging systems, including: (See Course Specifications Document) other systems dependent on communication technology such as: e-commerce EFTPOS electronic banking [Students learn to:] 
use a communication system to transmit and receive audio, video and text data for given examples, identify the participants, information/data, information technology, need and purpose for given examples explain how data is transmitted and received for given examples, identify the advantages and disadvantages of the system
9.3 Communication Systems - Board of Studies Teaching and Educational Standards NSW
Students learn to: