Internet access

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INTERNET ACCESS Yi (Kobe) Yang Anna Qin Yiwen (Cora) Li Shane Ryan

Transcript of Internet access

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INTERNET ACCESS

Yi (Kobe) Yang

Anna Qin

Yiwen (Cora) Li

Shane Ryan

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INTRODUCTION AND HISTORY

Kobe Yang

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Introduction

Important tool in Modern life

Internet Access means connect to

internet

Wired and wireless

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History

Research and development in scientific and military fields (1960)

1962, J.C.R Licklider of MIT, first proposed a global network of computer

MIT & UCLA formed the basis of Internet connections

Lawrence Roberts connected a Massachsetts comouter with a California computer in 1965 over dial-up telephone lines.

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History

Known as ARPANET by Roberts developed his plan

for ARPANET in 1966

In 1969, four major computers at universities in the

southwestern US got connected

Used by experts, engineers, scientists

Learn how to use Complex system

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WIRED INTERNET ACCESS

Cora Li

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TYPES:

1. Dail-up Internet Access

2. ISDN Internet Access

3. DSL Internet Access

4. Cable Internet Access

5. Fiber-optic Internet Access

6. Power-line Internet Access

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DAIL-UP

It is a form of access to the world wide web that

uses telephone lines. The user's computer or router

uses an attached modem connected to a telephone

line to dial into an Internet Service Provider's (ISP)

node to establish a modem to modem link.

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ISDN

Integrated Service Digital Network (ISDN) is circuit-

switched telephone network system. It is a set of

communication standards for simutaneous

voice, video, data, and other network services over

the traditional circuits of the public swtiched

telephone network.

ISDN connections are popular in Europe.

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DSL

The video below compared DSL vs Dail-up

http://www.youtube.com/watch?v=mI6Uh6D3NvA&f

eature=player_embedded

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CABLE

It refers to the Internet access provided through the

cable connections of the television.

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FIBER-OPTIC

Fiber optic internet access providers use the optical fiber for the transmission of information.

The process of communicating using fiber-optics involves the following basic steps:

1.Creating the optical signal involving the use of a transmitter

2.Relaying the signal along the fiber

3.Ensuring that the signal does not become too distorted or weak,

4.Receiving the optical signal, and converting it into an electrical signal.

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POWER-LINE

In this kind of data transmission the power

distribution line is utilized.

Consumers can buy powerline adapter sets at most

electronics retailers and use those to establish a

wired connection using the existing electrical wiring

in the home.

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WIRELESS INTERNET ACCESS

Anna Qin

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Introduction

A local area network (LAN)

Broadcast from a central hub, which is a

hard-wired device that actually brings in the

internet connection

Convenient both at home and workplace

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Types of Wireless Wi-fi Internet Access Providers

WiBro Internet Access Providers

WiMAX Internet Access Providers

UMTS-TDD Internet Access Providers

EVDO Internet Access Providers

Satellite Internet Access Providers

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Wi-fi Internet Access

Offers access of internet through WLAN or wireless local area

networks

The coverage of one or more access points-called hotspots-

can comprise an area as small as a few rooms or as large as

many square miles

Provide private and public internet access

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WiBro Internet Access

A portable internet service provider

Offers a high data rate-wireless internet access at

anytime and any part of the world

The latest technological gift of Korea

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WiMAX Internet Access

A telecommunications protocol that provides fixed

and mobile Internet access

Enable the delivery of wireless broadband access

as a replacement to cable and DSL connections

Suitable for the potential applications

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Conclusion

Advantages and convenience of wireless

internet access

Useful in some public areas to attract

customers and clients

Improvement of technology and further

development of wireless internet access

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ADVANTAGES AND DISADVANTAGES

EFFECT ON MODERN LIFE

Shane Ryan

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ADVANTAGES:

E-mail

Access Information

Shopping

Online Chat

Downloading Software

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DISADVANTAGES:

Personal Information

Pornography

Spamming

Report to

Your local Police

Your Internet Service Provider

Cyber Police

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EFFECT ON MODERN LIFE

changed the way we live in society and the way

people interact with each other

a new way to communicate, through E-mail and

web cams as well as social networking sites

it is a sort of modern library where anything

imaginable can be researched

not only in the virtual sense has it changed the

world but also in the physical sense