Networking
Network
-two or more computer systems linked together
Packet
-the unit of data that is routed between an origin and a destination on the internet or any other packet-switched network. Data are transferred over the internet in units called packets.
Networks
1. LAN - Local Area Network
-connects network devices over a short distance
2. MAN - Metropolitan Area Network
-a network larger than LAN but smaller than WAN, like a city. They are usually owned by a single entity like the government.
3. WAN - Wide Area Network
-a network spanning over a large distance like the internet
4. WLAN - Wireless Local Area Network
5. CAN - Campus Area Network
6. SAN - Storage Area Network
7. Pan - Personal Area Network
8. System Area Network
Data Transmission
-the physical transfer of data over communication channel or medium such as copper wires, optical fiber, wireless channel, and storage devices.
-Data are represented as electromagnetic signals such as an electric voltage, radiowave, micro wave, or infrared signal.
-this means that data are sent as electromagnetic signals like radiowav(such as bluetooth) and infrared signals(such as remote controls). To be sent, they need a medium, like those mentioned above.
Ron Mikhael Surara
