XHTML lecture 1 notes

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XHTML lecture 1 notes
2011-01-17 11:29:38
HTML comment metadata document structure

HTML, comment, metadata, document structure
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  1. What does HTML stand for?
    Hypertext Markup Language
  2. What is HTML
    • HTML is a Markup Language, not a programming language.
    • HMTL uses Markup Tags to describe web pages.
  3. The two key components of HTML are:
    • Hypertext: Links web pages together.
    • Markup: Embeds tags in web pages to format them.
  4. What is the strutcture of a HTML document?
    • <html>
    • <head>
    • <title>Title of Document</title>
    • </head>
    • <body>
    • Visible content of the body...
    • </body>
    • </html>
  5. How do you write a HTML comment?
    <!-- This is a comment -->
  6. How do you show an image on a web page?
    <img src= "image.jpeg" alt= "An image" />
  7. What is/are Metadata/Metatags?
    • Metadata is data about data.
    • In HTML metadata describes web pages to search engines.
    • Metatags declare metadata.
    • Metatags must be used in the <head> section.
    • <meta>this is meta-information</meta>
  8. History of the internet:
    • 1962 - Arpanet (Advanced Research Project Agency) created by
    • U.S. Department of Defense. It's aim was to connect computers in the
    • U.S. Defense department together.
    • 1965 - The first long distance communication between computers in MIT and California.
    • 1969 - 4 computers connected together at Arpanet.Ethernet developed by Xerox. Working networks created using Arpanet and ethernet.
    • 1973 - TCP/IP (Transfer control protocal / Internal protocal) developed. This is a set of rules for computers communicating with each other over a network. From here networks grew and eventually formed what we now know as the internet.