Internet Intro

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  • E

    : - .http://users.sch.gr/dmgtz dgkotzos@primedu.uoa.gr

  • :

  • (LAN)

    (WAN). To WAN.

  • Internet - .

  • : pstn 56kbps, isdn 128 kbps, adsl(2+) 24 mbps (1mbps=1024kbps) (wifi, wimax )A gprs 56kbps /3g/HSPA 7,2 mbps) (FTTN, FTTB, FTTH 100mbps )

  • Internet

    /

    Modem / router/ (wireless network card/usb adapter)

    Internet (nternet Service Provider) (.. otenet, forthnet)

  • Dial Up ( 128 kbps) + PSTN/ISDNE dialer

    ModemInternetServiceProviderPSTNISDNInternet

  • O - Voip, IptvM (, ) Internet

    (broadband)

  • Internet

    (E-ail) - WWW (World Wide Web) (ftp, p2p, torrents) (telnet) (Chat) - T video

  • @ () Outlook Express Microsoft Outlook( microsoft office)Webmail ( www) e-mail server

  • email @ .. dgkotzos@primedu.uoa.gr .. mail.primedu.uoa.gr

  • email @ 1. Internet 2. email www (www.gmail.com):

  • e-mail SMTP Microsoft OutlookOutlook Express e-mail www

  • www

    Internet

    Y (servers)

    server .. www.uoa.gr o .

  • www (Server) (Client)www.ypepth.gr

  • (Server) www

    () (URL) .. www.ypepth.gr

    (www server) www.ypepth.gr

  • www (clients) Mozilla Firefox (www.firefox.com) Microsoft Internet Explorer ( windows)H (server) (url: Universal Resource Locator )

  • www.saferinternet.gr

  • (www.google.gr ) (http://dir.forthnet.gr/)