The Internet

around the world

States Department of Defense Advanced Research Projects Agency" (DARPA). It was

first connected in October, 1969,and was called ARPANET. The World Wide Web was created at CERN in Switzerland in 1990 by a British (UK) man named Tim Berners-Lee.

Some services on the Internet cost nothing to use. Sometimes

the people who offer these free services use advertising to make money from them. The alternative (other) name, "net" came from "inter(net)".

and Paul Allen started Microsoft and very soon it became

a business success. In 1980, Gates bought a small company which produced an operating system called DOS. He made some changes to it and renamed it MSDOS.He sold the rights to use this system to IBM. Since 1980 MSDOS has been the standard operating system for all PCs. Microsoft has also developed such well – known programmes as Windows, Excel and Internet Explorer.

one has taken of oneself, typically one taken with a

smartphone or webcam and uploaded to a social media website;
phablet: a smartphone having a screen which is intermediate in size between that of a typical smartphone and a tablet computer;
derp: used as a substitute for speech regarded as meaningless or stupid, or to comment on a foolish or stupid action;
srsly: short for seriously;
tweet: a posting made on the social media website Twitter;
tl;dr: short for "Too long; Didn’t read“;

loud; used chiefly in electronic communication to draw attention to

a joke or amusing statement, or to express amusement;
noob: a person who is inexperienced in a particular sphere or activity, especially computing or the use of the Internet;
hashtag: a word or phrase preceded by a hash sign (#), used on social media sites such as Twitter to identify messages on a specific topic;
unfriend: remove (someone) from a list of friends or contacts on a social networking website;
troll: make a deliberately offensive or provocative online posting with the aim of upsetting someone or eliciting an angry response from them;

2. A document on your computer.
3. A device which is

used to transfer ph otos and texts to your computer.
4. To make a computer better or able to do more things.
5. This looks like a typewriter and has the keys you need to press
6. It can be hard. It can be floppy.
7. A device which allows your computer to send messages along a telephone line.
8. An unfriendly or rude e-mail.
9. To start a computer.

that can harm a computer or spyware that spies on its users
E-mails

can also have harmful files with them as "attachments".
In internet chatrooms, people might be preying on others or trying to stalk or abuse them.
The internet contains content that many people find offensive such as pornography, as well as content intended to be offensive.
Criminals may steal people's personal information or trick people into sending them money.