Introduction to Window Understanding the Internet Using email Lecture 2 Chapter 2.
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Transcript of Introduction to Window Understanding the Internet Using email Lecture 2 Chapter 2.
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Introduction to Window Understanding the Internet
Using email
Lecture 2
Chapter 2
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Windows Desktop elementsWindows Desktop elements
TotalLab v1.10.lnk
Icons
Icons
Task bar
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Windows Desktop elementsWindows Desktop elements
IconsTask bar
Start … pop-up menu
NetworkShortcutsRecycle bin
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Title barMenu barTool barMinimize, maximize, exitScroll bar, arrows and boxStatus barApplication workspace
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Menu barMenu bar
ToolbarToolbar
Title barTitle bar Min, Max, ExitMin, Max, Exit
Scroll bar, box, arrowsScroll bar, box, arrows
Status barStatus bar
WordPad window details
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Windows ExplorerWindows Explorer
• File, document, and folder management
• Hierarchical structure
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Understanding the Internet
• Introducing the Internet
• Internet Connection
• Exploring Internet Services
• How the Internet Works
• Internet Software
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Want to understand more about internet? go to: http://www.cybergeography.org/atlas/
Want to understand more about internet? go to: http://www.cybergeography.org/atlas/
Internet:The Network of Networks
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Exploring Internet Services
• Electronic mail (Email): Staying in touch
• World Wide Web (WWW): Accessing information– hypertext– hyperlinks– URL
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Exploring Internet Services
• FTP: Transferring files– FTP– downloading & uploading– anonymous FTP– compression software
• Usenet: Joining online discussions
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Introducing the Internet
• The Internet’s history– importance of communication & socializing– from ARPNET to Internet– rise of a new mass medium
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LANs and computers connected to the Internet are maintained by corporations, ISPs, and universities
who sell Internet subscriptions to the public.
LANs and computers connected to the Internet are maintained by corporations, ISPs, and universities
who sell Internet subscriptions to the public.
Introducing the Internet
• A galactic network– Internet address or IP address
• 105.137.121.077 = home.umm.ac.id
– Internet service provider (ISP)
• Interoperability– cross-platform network
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NSP: network service provider(IBM, MCI)
ISP or Host
(UCD, AOL)
Client
Internet elements
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How the Internet Works: A Geography of Cyberspace
• Internet Service Providers (ISPs)
• Backbones
• Internet protocols (TCP/IP)– Internet protocol (IP)– transmission control protocol (TCP)
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How the Internet Works: A Geography of Cyberspace
• Domain Name System (DNS)– gov– edu– mil– com– net– id– ac– co
See for yourself how the domain name service operates. Access
the NSLOOKUP page and type in a domain name such as
www.microsoft.com. Click the Run button, and you’ll see the IP
address below.
See for yourself how the domain name service operates. Access
the NSLOOKUP page and type in a domain name such as
www.microsoft.com. Click the Run button, and you’ll see the IP
address below.
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Netscape Navigator and Microsoft Internet Explorer are the two leading browsers.
Netscape Navigator and Microsoft Internet Explorer are the two leading browsers.
Internet Software
• Internet service– client & Server
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Accessing the Internet
• You will need:– Computer– Campus computing account– Modem
• quality v.90 56K bps modems :$15 - $150• if using other ISP’s check their list• Settings
– UMMNet– Software– Other software
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Making the connection
• UMMNet support for access• Setting for dial-up connection:
– configure modem– configure TCP/IP for dial-up– configure dial-up connection (PPP)
PPP: point-to-point protocol
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Email Fundamentals
• Email servers & clients
An e-mail server runs on your ISP’s computer. When you send mail, the server sends your mail over the Internet. An e-mail
client runs on your computer and enables you to read and reply to received messages, compose new ones, and forward mail.
An e-mail server runs on your ISP’s computer. When you send mail, the server sends your mail over the Internet. An e-mail
client runs on your computer and enables you to read and reply to received messages, compose new ones, and forward mail.
User ISP
Client Server
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Email Fundamentals
Telkom (TelkomNet) will do this for you, and guide you.
For other ISP’s you need to understand the settings, or
get customized files like TelkomNet
Telkom (TelkomNet) will do this for you, and guide you.
For other ISP’s you need to understand the settings, or
get customized files like TelkomNet
PC clientrunning Netscape
TCP/IP
PPP
PPPSERVER
MODEM
MODEM
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Email Fundamentals
• Information for email:– username (whnuser)– password (random, #’s, $, change)– email address ([email protected])– POP server name (e.g. popmail.umm.ac.id)– SMTP server name (e.g. mail.umm.ac.id)
SMTP: simple mail transport protocol
POP: post office protocol
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Pine vs. Webmail vs. Eudora
• Pine – software and messages always reside on campus server– subject to quotas– accessible by telnet by direct network connection or dial-up
• WebMail like Hotmail or Geckomail– requires web browser– requires dial-up or DN connection– SoftWare and messages reside on commercial server (where?!)
• Eudora– requires dial-up or DN connection– SW resides on your PC– you can choose where each message resides; flexible
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Using Email Responsibly
• How to stay out of trouble– Do not use company email for personal use– Do not give information you would not give by
phone or in a letter– Open and send attachments with respect– Never respond to junk email (spam)– Never use email to harass or intimidate– When using company’s email, never say anything
you wouldn’t want your boss to see