In order to send data around computers like tablet, phone, printer we use computer network.
I will look at them according to size.
I will look at them according to size.
1. LAN = Local Area Network
Two or more computer is connected via cable or wireless in the same building like house, school, hospital etc. E.g. In a house all computers use the printer with wireless.
LAN is faster than MAN and WAN
LAN is faster than MAN and WAN
2. MAN = Metropolitan area network
MAN covers area larger than LAN and smaller than WAN like a city. MAN connects these computers with fiber optical cable and WiFi
E.g. Sending patient student's information from a hospital to his university in the same city.
E.g. Sending patient student's information from a hospital to his university in the same city.
3. WAN = Wide Area Network
WAN covers area bigger than MAN like a state and it is also more than 30 miles. Computers are connected each other by telephone systems, fiber optical cable and satellite.
The biggest WAN is the Internet
The biggest WAN is the Internet
