Cascading Style Sheets (CSS)

Monday May 14, GTC West, Class P20

The Internet

Image of a portion of the Internet, source Wikipedia
Image of a portion of the Internet, source Wikipedia

'World Wide Web' ≠ 'Internet'

  • The Internet is the global network of computers using TCP/IP
  • POP, SMTP (Email)
  • HTTP (Web)
  • FTP
  • more....

 

Right Column

Background: The Internet (Very Briefly)

  • Some Definitions
    • A jumble of networks connecting millions of computers across the world. (All use "TCP/IP" as their "Network Protocol").
    • "The Oracle" (As-in: "Don't know? Go ask the Oracle")
    • A place for people to directly communicate with each other without regard to physical location and/or time
  • A Brief History
    • 1960's, 1970's, 1980's: Defense, Research, Education...
    • Late 80's - start of commercial use (CompuServe, BITNET, MCIMail)
    • 1990 - Tim Berners-Lee thinks up the WWW and HTML.
      • For Researchers to communicate (and cite) academic information
    • 1992 - 50 web servers in the world
    • 1993 - First point-and-click web browser (Mosaic)
    • Late 1990's to Today
      • Browser wars
      • Explosion in use and traffic (doubling every hundred days...)
      • HTML 2, 3, 4, XHTML
      • CSS 1, 2, 2.1, 3
  • TCP/IP
    An image of TCP/IP