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Using the statements below and the phrases from the table make short dialogues agreeing or disagreeing with the statements, and in case of disagreement provide your point of view
16. Read the summary and chose the correct information by guessing. Then watch the video “How the Internet works in 5 minutes” and find out if your guess was correct.
The internet is a wire/cloud. The internet is useful because two computers connected directly to this cloud/wire can communicate. A node/server is a special computer connected directly to the Internet.
Every server has a unique/single internet protocol address or nick/IP address. Since it is not easy to pronounce for example 220.127.116.11 we also give them names/avatars like Google.com or Facebook.com.
A computer at home is not a client/server, because it's not connected directly to the Internet. Such a computer is called a client/server. They’re connected indirectly to the router/Internet through an internet service provide. If you want to visit Wikipedia.org you should use DSL/IP to go through your ISP/TCP to look at Wikipedia pages.
Whenever an email, picture or webpage travels across the Internet computers break/put together the information into smaller pieces called packages/packets. When information reaches its destination the packages /packets are broken/ put together in their original order to make a picture, email, webpage or tweet.
What prevent your packets/ packages from ending up on another’s screen are IP addresses and nodes/routers. Only computers/Everything connected directly or indirectly to the Internet has an IP/TCP IP address. Anywhere two or more parts of the Internet intersect, there's a piece of equipment called a node/router. Nodes/Routers direct your packets/ packages around the Internet.
Before sending, the computer assigns your packet/ package your computer's nick/IP address. Your computer sends the packet/ package to the first router which adds its own nick/IP address. Each time your package/packet reaches a new node/router another nick/IP address is added until it reaches the server. Then when the server sends back information, he creates packages/packets with an identical list of nicks/IP addresses. As a package/packet makes its way over the Internet back to your computer, each router reads this list to discover where to send the packet/package next, until it reaches your computer.
And that's how the Internet works.
17. Read the summary. Fill in the correct word(s). The first letter of each word is given. Then watch the video “How does the Internet work?” – 0:00-1:34 - and check your answers.
Think of networking as a game. It only works if we agree to play by the same rules. Otherwise it's not much fun. If you can get two or more computers to play together you have a n…………. If your friend can do it too – there’s another n…………... But if you both agree that your networks will play the same way, you can attach the two together. You have an inter network.
The rules we play by are called the I…….. p………... And as long as we all agree, we can keep adding more d………… and more n…………. until the whole world is connected. That’s what the Internet is – a n……….. of n………… that share each other.
18. Rearrange the following sentences so that they’d make a sensible text; watch the video “How does the Internet work?” –1:34-2:39 - and check your answers.
19. Match the two parts of the sentences; watch the video “How does the Internet work?” –2:39-till the end - and check your answers.
-what 3 features of the Internet make it work as well as it does?
Date: 2016-05-14; view: 104; Нарушение авторских прав