How the Internet Works


A User is a person who has connected to the internet through a device like

computers, cellphones, chrome books devices that we use in our everyday

lives. There are a total of about 3.7 billion people who use the internet with

billions of devices. The top 3 country with The highest amount of people

using the internet is USA in third with 286.9 million people , in second is

India with 462.1 million people and in first place first is China With 731.4

million people.

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A Browser is a software application that allows you to retrieve HTML

coding of webpages and displays them on your screen for you to read.

Right now you just used or are using a Browser to look at this page.

These Browsers are:

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A Device is a tool that people use to access the internet. People use devices to

search up information or for entertainment such as online games. The most

devices you'll probably see is the cellphone which many students and adults

keep in there pocket through out the day. Some of these Devices are:

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ISP stands for Internet Service Provider. An ISP is a company that provides its

client access to the internet.

A few ISP are:

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A Webpage is a hypertext document connected to the World Wide Web. A

Webpage is made out of HTML code which then displays as images, color,

text and information on your computer screen. These Webpages are accesible

through using an internet browser.

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World Wide Web:

The World Wide Web is an information system on the Internet which allows

documents to be connected to other documents by hypertext links, enabling

the user to search for information by moving from one document to another.

The World Wide Wed was made by Tim Berners Lee in 1989.

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Domain names:

A Domain Name is an address on the internet. It is the part of a network

address which identifies it as belonging to a specific domain.

Some of these Domain names are:

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A Modem is a device used for modulation and for demodulation. For example

it changes the binary code of an email you sent into a analogue signal which

sends it through a telephone line to another modem which changes it back to

binary coding for another computer to read.

Video about Modems

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A network is a group of two or more computer systems linked together. There

are many types of computer networks, including the following:

LANs/Local-Area Network:

The computers are close together etc in the same building.

WANs/Wide-Area Network:

The computers are farther apart and are connected by telephone lines or radio waves.

RANs/Radio-Access Network:

The computers are connected to other parts of the network through radio connections.

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A Web server is a program that uses HTTP to send the files that make up a Web pages

to users, in response to their requests, which are sent by their computers.

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Fiber Optis Cables:

A Fiber Optic Cable is amde out of three parts the Core, the Cladding and the Coating.

The Core is either made out of glass or plastic and the larger the core the more light that

is transferred through the fiber.The Cladding is a reflective surface to make sure the light

flows through the fibers. The Coating is multi-layers of plastic used for shock absorption.

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Webhosting is the activity or business of providing storage space and access for websites.

For example if you asked a web designer to build a website it would only be accesible on

there computer but when you use a Webhoster it would be accesible on the internet.

Video about Webhosting

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A Packet is a piece of information which travels through the internet for you to recieve or

for you to send for someone else to recieve. For example if you send an image to a friend

that image is divided into packets then sent through routers to get to your friends computer.

Video about packets

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A Router is a networking device that sends data packets between computer networks.

Routers perform the traffic directing functions on the Internet. A data packet is typically

sent from one router to another router through the networks that makeup the internet

until it reaches its destination node.

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