ch 16.txt

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  1. How is hypermedia used on the World Wide Web?
    Hypermedia software allows the user point-and-click a "link" to facilitate accessing documents on the Internet via TCP-based protocols.
  2. What does HTTP stand for?
    HTTP stands for Hyper Text Transport Protocol. It is the software defining the format of requests relayed from a web browser to a web server, as well as the replies relayed from the server to the browser.
  3. What is HTML?
    Hyper Text Markup Language is the standard used to write web pages. It doesn't require specific formatting instructions, so two browsers may display a page differently.
  4. Unlike HTML, ________ allows users to include content-specific information in their files, facilitating its being formatted to suit various display devices.
    XML - Extensible Markup Language
  5. How does XML work?
    XML stores the data separately from the presentation, allowing the data to be displayed differently on a variety of platforms.
  6. List the three pieces of information specified in a URL.
    • A URL (Uniform Resource Locator) specifies the
    • *type of file transfer
    • *name of computer
    • *name of file
  7. What does the Browser Controller do?
    It manages input to and output from the browser. For example, it communicates as needed with the HTTP client and the FTP client to request files (through the network interface) from the Web. It uses the Java interpreter and the HTML interpreter to intrepret downloaded web pages and display them to the user.
  8. How do internet search engines work?
    Search engines use "spider" programs to "crawl" through the web, building a list of words. These store information that the search engines use for their searches.
  9. Study the in-class activity about depth-first and breadth-first (web) searches.
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ch 16.txt
2015-05-04 21:22:23
cs111 diane
diane cs111 ch 16
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