introduction of internet and www

• introduction of internet and www

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Introduction of Internet & WWW

introduction of internet and www in hindi

Introduction

The Internet is the global system of interconnected computer networks that use the Internet Protocol Suite (TCP/IP) to link devices worldwide.

introduction of internet and www in hindi

In is a networks of that consists of private , Public ,academy, Business, and government network os local to global scope, Linked by a broad array of

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The  Internet  carries. Vast range of 

Introduction of Internet & WWW

OBJKECTIVES

In this  chapter  we will discuss about basics of computer Networks,  Local Area Network (LAN)

Wide Area Network 

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Internet concept of Internet Architecture, Services on

Internet, World Wide We and Websites Communication on Internet’’,

introduction of internet www and web browser

Type of networking

1.  Bided Transmission  media   … Wired  (Twisted pair cable. Coaxial   cables  fiber –optic cables ) and f  Wireless (

Radio. Microwave,  Infrared , Satellite)

2.  Based on network size…LAN , MAN,WAN ,

3.  Based on  Management  method…  Peer  to peer  and  client/  server

4.  Based o  Topology (connectivity)  Bus Star , Ring  Tree

Network Based on  size…… There d are king of network divided on the basis of size like a  network  within building of 

·      capes in  known as local Area Network and the network which serves entire globeis  known as Wide area network

 

 

Basically Network is   divided  into three parts accordingtob the Size…

·      LAN (Local Area Network )

·      Man (Metropolitan Area Network)

·      WAN( Wide area Network )

 

Local Area network (LAN)

A  local Area network(LAN) is a computer network that interconnects computer swath ii a lilted area such as a  residence, school,  Laboratory, or office building. introduction of internet and www

Alan  may  be  wired , wireless, or a combination of the wet

 

 A Standard wired land uses Ethernet to  connect devices  to Goethe,

 

 

Characteristics of ( LAN)

·      Coverage area is  generally few kilometers 

vUsing different dedicated transmission medium you can achieve the transmission rate of 1 MB /s to 100

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vIn LAN you can run the multiple devices to share a transmission medium LAN

vYou can  us4e the different topology making\only  buys and ring in

vThe  communication quality is better in  the transmission error  rate  are low as compare to WAN

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vA LAN  usually has low cost installation expansion and maintenances and Land  instars all action is relatively  simple  good scalability.

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Metropolitan area  network  is  a  network  that interconnects user with computer resources in a geographic area or  region Larger than  that covered  by even a  large local area network (LAN)

Smaller   than the  area  covered  by a   wide  area network (  WAN)  

Advantages of MAN

The biggest advantage is   the bandwidth of the connection links, that means

introduction of internet and www resources shared on the  network can be accessed extremely quickly. introduction of internet and www

Wide Area network (WAN)

 

        The network which is  spread over the glob and coer sentire world , Is  facilitatedto acoputer by Internet service providers.

It is biggest network across the world in  that  each computer Is commectedc and shareaor access the data and information 

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