1. Internet

2. There are billions of computers around the World
There are billions of computers around the World. Nowadays they are nearly in every home.

3. Many of them are joined to World Wide Web, or to the Internet.

4. Internet is billions of kilometers of wires and thousands of satellites, around
the Earth which
join many computers.

5. Nowadays more and more people use
the Internet, even children.

6. You can use the Internet nearly everywhere, not only with the help of computer, you can use a netbook, a pad or even a mobile phone.
You don’t need a wire, you can use Wi-Fi!

7. Wi-Fi (Wireless Fidelity) – is a type of radio-signal, which helps you to connect to the Internet.

8. Using the Internet you can:
Search for information
Chat with other people
Listen to music
Watch films and photos
Look for job
Bye something

9. Of course, Internet has minuses:
You can catch a malicious software
You don’t know if the information is true or false
Your personal information can be stolen
Your eyes become red and tired very quickly

10. There are three main types of malicious software:
The most common means of virus infection via .

11. Types of viruses:

12. Unfortunately, viruses can damage not only computers, but mobile phones, too!

13. Antivirus
–– programme, which detects and destroys computer viruses

14. Fun fact
Mostly, people think, that virus looks like this:

15. Helpful hints: Don’t download files from unknown sites
Communicate only with people whom you know
Use antivirus
Control yourself