Internet Basics: What is the Internet?







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Lesson 1: What is
the Internet?

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Introduction

The Internet is an
increasingly important part of everyday life for people around the
world. But if you’ve never used the Internet before, all of this
new information might feel a bit confusing at first.

Throughout this tutorial, we’ll try to answer some
basic questions you may have about the Internet and how it’s used.
When you’re done, you’ll have a good understanding of
how the Internet works, how to
connect to the Internet, and
how to browse the Web.

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What is the Internet?

The Internet is a global
network
of billions of computers and other electronic
devices. With the Internet, it’s possible to access almost any
information, communicate with anyone else in the world, and do much
more.

You can do all of this by connecting a computer to
the Internet, which is also called going online. When
someone says a computer isonline, it’s just another way of saying
it’s connected to the Internet.

Computers wirelessly connecting to the Internet

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What is the Web?

The World Wide
Web
—usually called the Web
for short—is a collection of different websites you can access through the Internet. A
website is made up of related text,
images, and other resources. Websites can resemble other forms of
media—like newspaper articles or television programs—or they can be
interactive in a way that’s unique to computers.

The purpose of a website can be almost anything: a
news platform, an advertisement, an online library, a forum for
sharing images, or an educational site like us!

A learner browsing GCFLearnFree.org

Once you are connected to the Internet, you can
access and view websites using a type of application called a
web browser. Just keep in mind that
the web browser itself is not the Internet; it only displays
websites that are stored on the Internet.

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How does the Internet work?

At this point you may be wondering, how does the Internet work? The exact answer is
pretty complicated and would take a while to explain. Instead,
let’s look at some of the most important things you should
know.

It’s important to realize that the Internet is a
global network of physical cables,
which can include copper telephone wires, TV cables, and fiber
optic cables. Even wireless connections like Wi-Fi and 3G/4G rely
on these physical cables to access the Internet.

When you visit a website, your computer sends a
request over these wires to a server. A server is where websites are stored, and
it works a lot like your computer’s hard drive. Once the request
arrives, the server retrieves the website and sends the correct
data back to your computer. What’s amazing is that this all happens
in just a few seconds!

Watch the video below from Tata Communications to
learn more about how the Internet functions.

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Other things you can do on the Internet

One of the best features of the Internet is the
ability to communicate almost instantly with anyone in the world.
Email is one of the oldest and most universal ways to communicate
and share information on the Internet, and billions of people use
it. Social media allows people to connect in a variety of ways and
build communities online.

People communicating on the Internet.

There are many other things you can do on the
Internet. There are thousands of ways to keep up with news or shop
for anything online. You can pay your bills, manage your bank
accounts, meet new people, watch TV, or learn new skills. You can
learn or do almost anything online.

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