SDA Lesson01

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SDA Lesson01
2012-08-15 15:29:07
SDA Lesson01

SDA Lesson01
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  1. demographics
    The study of groups of people. Specifically, the practice of gathering statistical data by studying populations based on characteristics such as age, income and education.
  2. brand
    A concept or collection of symbols associated with a product, service or person.
  3. spider
    An automated program created by search engine companies that scans Web pages and other resources so that the search engine can process data to be used in search results.
  4. markup language
    A series of commands used to format, organize and describe information on a Web page.
  5. Hypertext Markup Language (HTML)
    The traditional authoring language used to develop Web pages for any applications
  6. Extensible Hypertext Markup Language (XHTML)
    The current standard authoring language used to develop Web pages and other electronically displayed documents. XHTML requires stricter code syntax than HTML.
  7. Smalltalk
    A programming language that pioneered objectoriented programming. Not popularly used in Web development.
  8. Wireless Application Protocol (WAP)
    A standard protocol that wireless devices use to access the Internet.
  9. Wireless Markup Language (WML)
    A markup language that presents the text portions of Web pages to wireless devices.
  10. Multipurpose Internet Mail Extensions (MIME)
    A protocol that enables operating systems to map file name extensions to corresponding applications. Also used by applications to automatically process files downloaded from the Internet.
  11. graphical user interface (GUI)
    A program that provides visual navigation with menus and screen icons, and performs automated functions when users click command buttons.
  12. image map
    A Web page image with clickable regions that are defined as "hot spot" hyperlinks to other pages or page sections.
  13. user agent
    Any application, such as a Web browser, mobile phone, PDA or help engine, that renders HTML for display to users.
  14. mailing list server
    An e-mail server that regularly sends e-mail messages to a specified list of users.
  15. spam
    Unsolicited and unwanted e-mail messages; the online equivalent of junk mail.
  16. cookie
    A text file that contains information sent between a server and a client to help maintain state and track user activities. Cookies can reside in memory or on a hard drive.
  17. Structured Query Language (SQL)
    A language used to create and maintain professional, highperformance corporate databases.
  18. bandwidth
    The amount of information, sometimes called traffic, that can be carried on a network at one time. The total capacity of a line. Also, the rate of data transfer over a network connection; measured in bits per second.
  19. T1
    A digital carrier that transmits data at a speed of 1.544 Mbps.