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建網的需要

建網的需要. 資源共用. 我可否用打印機嗎 ? 怎樣用 ?. 資源共用. 連線. 連線. 提高通訊效率. IBM PS/2. Mac. 檔案共用. 存貯 檔案. 可以取得檔案. 可以取得 檔案. 可以取得 檔案. L. A. N. L. L. A. A. N. N. L. A. N. Local Area Network. - 範圍較小，如一幢樓或一房屋內. FAST!. W. A. N. W. A. N. W. A. N. W. A. N. I Love U !.

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建網的需要

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  1. 建網的需要

  2. 資源共用 我可否用打印機嗎? 怎樣用?

  3. 資源共用 連線 連線

  4. 提高通訊效率 IBM PS/2 Mac

  5. 檔案共用 存貯 檔案 可以取得檔案 可以取得 檔案 可以取得 檔案

  6. L A N L L A A N N L A N Local Area Network - 範圍較小，如一幢樓或一房屋內 FAST!

  7. W A N W A N W A N W A N I Love U ! I Love U too ! LAN LAN LAN Wide Area Network -是覆蓋範圍很大的網絡

  8. 網絡結構 網絡拓樸結構即是網絡的形狀。

  9. OK! 收到! 傳送中 Hello? 星型結構 集線器 節點

  10. ???? 不能運作 Hello? 星型結構 集線器 節點

  11. OK! 收到! 傳送中 Hello? 星型結構 集線器 節點

  12. PC1, I love U! 環型結構 I know, but I hate you! Oh,不是我的信息， 繼續傳送 PC1

  13. PC1, I love U! 環型結構 ???? Oh, 我不能傳送信息

  14. 不是我的信息 不讀取。 不是我的信息 不讀取。 今次死啦! 是我的信息 總線結構 PC1 總線 不是我的信息 不讀取。 PC1 今日交功課呀!

  15. 不是我的信息 不讀取。 今次大煲啦! 是我的信息 總線結構 PC1 總線 會發生甚麼? 不是我的信息 不讀取。 PC1 今日交功課呀!

  16. 通信設備

  17. Signals are transmitted to all directions 2. Broadcast mode transmission

  18. Susceptible to local electrical noises Cheapest transmission medium Usually used for short distance connections such as telephone line Direct mode transmission 雙鈕線

  19. Fairly cheap transmission medium An insulating material protect the copper wire Used for connecting a TV set to public antenna • More reliable as it is better insulated 同軸電線

  20. Very expensive transmission medium • Not subject to electrical disturbance • Suited for long distances communication in high data rate 光導纖維 • - Light passes along the coated fine cylindrical glass tubing by reflection

  21. 廣播通訊 Satellite transmission • Ground station receive the data and beam to the satellite by microwave • Satellite will re-transmit data to another ground station

  22. You can see some shortcut key on the browser like this

  23. Type in the address and press enter • Address of Web Site is called URL(Uniform Resource Locator) e.g. http://www.singtao.com http://www.singtao.com

  24. After that, you can browse the home page that you wanted.

  25. Christmas Card Web Site http://www.comp.hkbu.edu.hk/~c6000171/xmas http://www.casema.net/~pico/kerst/ • Meteor shower http://www.glink.net.hk/~sohk/leonid/enter.htm

  26. Games • Cow boyhttp://www.shinenet.com.tw/fashion/game92/index.html

  27. Matching Games http://personal.cityu.edu.hk/~96013494/matching/

  28. Game http://personal.cityu.edu.hk/~96013494/fool/fool.htm

  29. Comics • 叮噹網頁 http://home.hkstar.com/~fucp/fujiko/doraemon/dora.htm

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