2. Types of Electronic Communication Flashcards
1
Q
What are the different types of electronic communication?
A
One way (simplex) or two way (full-duplex or half duplex) transmissions over analogue or digital signals
2
Q
What is simplex?
A
One way communication. The simplest method of electronic communication.
3
Q
What are some examples of simplex?
A
Radio; TV broadcasting; telemetry; music services
4
Q
What is full-duplex [aka duplex]?
A
Two way simultaneous communication [e.g. telephone]
5
Q
What is half-duplex?
A
Two way, one at a time communication [e.g. walkie talkie]
6
Q
What are analogue signals?
A
A smoothly and continuously varying voltage or current.
7
Q
What are digital signals?
A
Binary or two-state codes
