Unit 12 The Internet.

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Presentation transcript:

Unit 12 The Internet

1 Starter

Starter 1 D G B C F A e

2 Reading

Reading 2 A Extract Type of CMC MOO Number of participants 5 Topics - Virtual Reality game,. - Navigation within the MOO Topics Synchronous Synchronous or asynchronous - Emoticons - Characters can express themselves by words, informal punctuations. Special features of this CMC type

Reading 2 B Extract Type of CMC Web chat (forum , or bulletin board) 3 Number of participants Movies Topics Asynchronous Synchronous or asynchronous - Very informal. Some use of abbreviations, e.g. lol No opening or closing phrases. Special features of this CMC type

Reading 2 C Extract Type of CMC Newsgroup. Number of participants Message is addressed to all group members. Number of participants Top ten albums. Topics Asynchronous Synchronous or asynchronous - informal. No opening or closing phrases although this one is signed. Special features of this CMC type

4 Language Work

Avoid giving open access to PCs because you may get viruses. Never use your own programs on these machines. You may introduce viruses. You must not drink coffee in this lab. If you spill it you may damage the keyboard. Don’t give financial information in a chat rom. Some one may try to cheat you. Always keep your password a secret. Someone may hack in to your system. Use up to date antivirus software. New viruses appear all the time.

7. Always wait until a computer has reached normal room temperature before using it or you may damage the hard disk. 8. Never remove cards from there anti-static packing until required. Otherwise you may damage them. Use an IC extraction tool rather than a screwdriver. The pins are fragile. 10. You must not work on a computer with the power on because you may be electrocuted.

Specialist Reading

Specialist Reading – Part A It provides a path that gateways can use to route information from one machine to another. Ethernet and X.25 The must know each other’s internet address One for each different network it connects Creates a data address in the TCP/IP message that states exactly what application the data block is supposed to connect at the address the IP software has described.

Specialist Reading – Part A Once the packet is delivered to the correct internet address and application port. Looks for responses and takes action to replace missing data blocks. File Transfer Protocol and the Simple Mail Transfer Protocol.

Specialist Reading – Part B a-iv , b-i , c-v , d-vi , e-ii , f-iii a-True , b-True , c-True , d-False , e-False , f-False