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Internet & World Wide Web. Computer Network. Two or more computers that are connected and share data and programs. LAN: Local Area Network WAN: Wide Area Network. Internet Basics (Cyberspace).

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Computer network
Computer Network

Two or more computers that are connected and share data and programs

LAN: Local Area Network

WAN: Wide Area Network


Internet basics cyberspace
Internet Basics (Cyberspace)

Internet is a collection of - privately & publicly owned - local, regional, national and international computer networks that are linked together to exchange data and distribute processing tasks.


Internet terminology
Internet Terminology

  • Internet Backbone: defines main Internet routes

    • Constructed and maintained by major telecommunications companies - NSPs (network service providers)

  • TCP/IP:

    • Transmission

      Control Protocol/

      Internet Protocol


Internet resources
Internet Resources

  • Internet Telephony

  • Usenet

  • E-commerce

  • Instant Messaging

  • Web site

  • E-mail

  • Internet Radio

  • Download & Upload

  • Chat / Video Conferences


Internet terminology1
Internet Terminology

  • Server/server software:

    • a computer that makes resources available to the network

  • Client:

    • computer that requests services from a server

  • IP Address:

    • unique number for each Internet computer


Internet service provider isp
Internet Service Provider (ISP)

  • Provides internet access to businesses, organizations and individuals

  • Provides telecommunications equipment

  • User ID and password required

  • Connects you to backbone

  • Email account monthly fee


E mail basics
E-mail Basics

  • Account = Mailbox

  • Message

  • Attachment

  • Netiquette

[email protected]


E mail terms
E-mail Terms

  • To

  • CC

  • BCC

  • Reply

  • Reply All

    • Gloria Allred



World wide web basics
World Wide Web Basics

  • Files interconnected via hypertext

  • The Web uses the Internet to transport the files

  • Web pages make up a web site

  • Home Page

  • Links or hyperlinks

  • Web servers


W3C

World Wide Web Consortium

  • Issue standards related to all aspects of the Web


World wide web basics1

Folder

name

Document name

and filename

extension

Web

protocol

standard

Web

server

name

http://www.cnn.com/showbiz/movies.htm

World Wide Web Basics

  • URL (Uniform Resource Locator)

    • No spaces and Case sensitive

    • HTTP (Hypertext Transfer Protocol) – communications standard

  • HTML (Hypertext Markup Language)

    • .htm or .html file extension


Web browsers
Web browsers

  • A program on your computer that displays a Web document by interpreting the HTML or XHTML format

  • Processes users requests


Using browsers
Using Browsers

  • Can type URLs

  • HTML tags tell browser how to display web page data

  • Back, forward and stop buttons

  • Setting a home page

  • Print options

  • History list

  • Favorites and bookmarks

  • Edit and Find


Using the web
Using the Web

  • Uploading: transfer files from your computer to another computer

  • Downloading: transfer files from another computer to your computer


Cookies
Cookies

  • Cookies are files created by websites you've visited to store browsing information, such as your site preferences or profile information. It's important to be aware of your cookie settings because cookies can allow sites to track your navigation during your visit to those sites


Incognito
Incognito

  • Stealth Mode

  • Any webpages that you open and files downloaded while you are in incognito mode won’t be recorded in your browsing and download histories. All new cookies will be deleted after you close the incognito windows. 

  • InPrivate Browsing, Private Browsing


Web filters
Web Filters

  • usually associated with Firewalls; it allows Web browsers to display information from trusted sites and blocks information from un-trusted sites


Personalization
Personalization

  • Personas / Skins / Themes

    • Ways to personalize your browser’s appearance

  • Firefox – Add-Ons

  • Speed Dials


Gadgets widgets
Gadgets & Widgets

  • Apps for displaying content

  • Adds personalization

  • Gadgets

    • Works specifically for just that website or your desktop

  • Widget

    • Works on any website that lets you add an HTML block




  • Search engines1
    Search Engines

    • Maintain databases of the Web pages they’ve indexed

    • Spiders / Crawlers / Web-bots / Knowledge-bots or Knowbots

      • Computer programs that search the WWW via the Internet


    Portals
    Portals

    • Gateways that provide a conveniently organized subject guide to Internet content

    • MSN, AOL, Yahoo!

    • iGoogle


    Ways to search
    Ways to Search

    • Search Operators:

      • + Inclusion operator

        • Retrieve pages that contain the specified word

      • - Exclusion operator

        • Exclude the term

      • Wildcards: symbols (* and ?) that take place of characters

      • “” Quotation marks

        • Web pages that contain the extact phrase


    Ways to search1
    Ways to Search

    • Boolean Operators

      • AND

        • Contain all the terms, regardless of the order

      • OR

        • Contain either or both of the terms listed

      • NOT

        • Excludes the term


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