Basic Data Communication

Data = raw material, information


Components Data Communication

1. sender
2. receiver
3. protocol
4. medium@ media (e.g: utp, stp, bluetooth. infrared)
5. message (e.g: text, image, audio, video, graphic & etc)
6. equipment (e.g: computer, router, modem, switch & etc)

Network Topology

1. ring topology
2. mesh topology
3. star topology
4. bus topology
5. hybrid topology
6. tree topology

Type of Network

LAN(Local Area Network)

  -connects network devices over a relatively short distance

MAN(Metropolotan Area Network)

  -a network spanning a physical area larger than a LAN but smaller than a WAN, such as a city.

WAN(Wide Area Network)

  - spans a large physical distance. The Internet is the largest WAN, spanning the Earth.