Candidates should be able to:
1 (a) Understand that data is broken down into packets to be transmitted
(b) Describe the structure of a packet
© Describe the process of packet switching
2 (a) Describe how data is transmitted from one device to another using different methods of data transmission
(b) Explain the suitability of each method of data transmission, for a given scenario
3 Understand the universal serial bus (USB) interface and explain how it is used to transmit data