Internet

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

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

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

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

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!

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

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

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

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

Types of viruses:

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

Antivirus –– programme, which detects and destroys computer viruses

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

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