Across
- 2. the largest computer network in the world.
- 4. Communication sent from a central point e.g. radio station.
- 8. Information sent in a data communication system.
- 10. main categories of transmission media
- 11. a network organised around one person.
- 12. data communication cycle has ____ main components
Down
- 1. radio signals sent over longer distances.
- 3. rules and instructions that must be followed for communication to occur.
- 5. uses only ones and zeros
- 6. transmission in only one direction
- 7. A group of computers linked together.
- 9. measure that changes with time