What is Network in Computer System ? Types LAN | WAN |MAN

What is Network in Computer System ?: Two computers connected with each other is called as Network. You have various Networks.

1. LAN
2. MAN
3. WAN

What is LAN Network?

• It establishes connection between two or more local machines within local area.
• It connects c0mputers, devices with in limited area.

Range: 10-1000m

Example: College computer Lab, offices.

In LAN one computer becomes server others are clients

LAN Components:

1. Work stations
2. File servers
3. Gateway: Communication with particular PC
4. Network interfacing unit at allow/disallow
5. Hubs
6. Communication channels/ LAN cables

Advantages:

• Example one printer can be connected to 20 computers
• File transfer
• Personal computing: between two commuters
• document sharing

Example: Ethernet, WIFI

What is MAN network with example?

MAN : Metropolitan area network

It convers multiple cities, towns

Range: 5-50 KM

Example: Cable TV

 

What is WAN network with example?

WAN: Wide area network

It covers countries, continents

Virtually or physically, computer has global connection

Through telephone lines and satellite

Example : Internet

Range: 10,00000 KM

Lets see what is computer network and its types in summary:

	LAN	MAN	WAN
Full Form	Local area network	Metropolitan Area Network	Wide Area network
Covers	Limited area	Cities, Towns	Countries, Continents
Range	10-1000m	5-50 KM	10,0000 KM
Example	Offices, Computer LAB	Cable TV Network	Internet

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