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UNIT 13

UNIT 13. The World Wide Web. Starter. 1. Starter 1. Country Code: UK Document Name: irn.html Protocol Prefix: http Domain Name: hw.ac.uk Directory Path: libWWW / irn Domain Name Extension: ac Web Service: www. Starter. 2. Starter 2. D E F B G A C.

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UNIT 13

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  1. UNIT 13 The World Wide Web

  2. Starter 1

  3. Starter 1 • Country Code: UK • Document Name: irn.html • Protocol Prefix: http • Domain Name: hw.ac.uk • Directory Path: libWWW/irn • Domain Name Extension: ac • Web Service: www

  4. Starter 2

  5. Starter 2 • D • E • F • B • G • A • C

  6. Listening 3

  7. Listening 3 • 3 • 5 • 4 • 6 • 1 • 2

  8. Listening 4

  9. Listening 4 Stage 2: • The DNS server finds the IP address of the URL Web server. • It sends the IP address to the browser. Stage 3: • The browser uses the IP address to request the webpage. • It sends the request in a series of data packets via a router. • The router determines the best route for each packet. • The web sever puts the packets together again.

  10. Listening 4 Stage 4 • The web server sends the requested page to the browser computer in the same way. • The browser combines the packets to form the page.

  11. Language Work 5

  12. Language Work 5 • When you use a search engine, it provides a set of links related to your search. • With POP3, email is stored on the server until you check your email account. • Once/When you have clicked on a hyperlink, you have to wait for the webpage to be copied to your computer. • As you listen to the first part of a streamed audio file, the next part is downloading. • The graphics can be displayed gradually as the webpage is downloaded. • 6: After/ When you receive an email message, you can forward it to another address.

  13. Language Work 5 • When you click on a hyperlink, the browser checks to see if the linked webpage is stored in the cache. • You can bookmark a webpage to make it easier to find in the future when you find one you like. • After you type in a web address, you should press the Enter key. • When you click on the home button, the browser displays your starting webpage .

  14. Language Work 6

  15. Language Work 6 • when • When • before • Once/When • as • as/before • When • until

  16. Problem Solving 7

  17. Problem Solving 7 • Define: spoofing • Sumo wresting Hawaii – Japan • Satellite receivers $250….400 • Image search elephant African- Indian filetype: gif • Directory search News > Newspapers > Regional >Hong Kong. • “ Ask not what your country can do for you - ask what you can do for your country” John Kennedy

  18. Problem Solving 7 • DVD video recorders 2005…2011 • Recipe brownies hazelnut OR chocolate chip • Image search David-Victoria Beckham • Advanced search All of the words: Inca Peru Language: English updated Date: past year Where your keywords show up: in the title of the page.

  19. SpecialistReading

  20. SpecialistReading A) • SMTP, POP3 and IMAP4. • SMTP • PCs are not guaranteed to be switched on at all times. • UNIX and Web mail. • On the receiving (local) server. • The mail server opens a connection to the POP3 server. The messages are then copied into your Web mailbox and read via a browser.

  21. SpecialistReading • Advantage: It allows emails to be picked up from different machines without losing any. Disadvantage: If too many messages build up, each download will take a long time and fill up your inbox. 8. • It allows you more choice over what messages you download. You can download just those messages you want to read. • You can delete individual messages from the server. • Some IMAP4 servers let you organize your mail into folders. • Download times are shorter. • There is no danger of losing messages.

  22. Homework • Specialist Reading, Part B

  23. SpecialistReading(H.W) B) 1- Mark the following statements as True or False: • T • F • T • F • T • F • F

  24. SpecialistReading(H.W) B) 2- Match the terms in Table A with the statements in Table B: • (iv) • (i) • (v) • (iii) • (ii)

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