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Name : Mohiminul Islam

Computer Network

4

What is Computer Network ???

A computer network is a telecommunications network that allows computers to exchange data. In computer networks, networked computing devices pass data and shire file to each other along data connections.

Types of Computer Network :

Wide Area Network (WAN)

Metropolitan Area Network (MAN)

Local Area Network (LAN)

Types of LAN Card :

LAN Card: A LAN card is an computer circuit board insert into a computer to connected to the network.There are three types of LAN card.

ARC net Ethernet Token ring

Types of Network Cable :

Coaxial cable

Optical fiber cable

Twisted pair cable

Thik

Thim

UTP

STP

STP

UTP

10 MB Per Second

100 MB Per Second

2 GB Per Second

Network topology : Topology is the arranger on shapes on layout of a computer in a computer network. There are different types of topology , the major three topology are Bus Topology, Star Topology & Ring Topology .

Types of Topology :

Types of Protocol :

Network protocol : Protocol consist of a set of rules that used to transfer message from one computer system to another.

There are five types of network protocol :

1. Net BEVI 2. DLC3. Apple talk4. IPX/SPX 5. TCP/IP

Connectivity Device :

Connectivity devices : Connectivity devices are devices that is used to make physical network connection.

The connectivity devices are :

HUB SwitchRouter

Bridge Gate way Brouter

Repeater

Conclusion :

A computer network is a telecommunications network that allows computers to exchange data.

Computer network is essential for our everyday life, so we should have some knowledge about how to establish a Computer Network for our office or personal uses .

Thank you all