Library Science 101: Internet Research Methods

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Library Science 101 Internet Research Methods

• Introduction to the Internet

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Today you will learn

• How to recognize the basic Internet concepts How
  to describe the major steps in the Internets
  historical development
• How to use the Web browser
• How to perform basic online search using
  Webopedia.com as an example

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What is Internet?

• Network - A group of computers linked together
• LAN (local-area network) - The computers share
  common communications line within a small
  geographic area (for example, an office building)
  
• WAN (wide-area network) - The computers are
  farther apart (for example, within a state) and
  are connected by external lines or radio waves
• Internet - A worldwide network consisting of
  thousands of interconnected networks

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Internet Prehistory

• 1945 theoretical model of Memex a device in
  which an individual stores all his books,
  records, and communications ... consulted with
  exceeding speed
• 1965 invention of hypertext a system in
  which pieces of information (text, graphic, etc.)
  are connected to each other in a non-sequential
  manner by direct links

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History of Internet (1)

• 1969 Launching of ARPANET (Advanced Research
  Projects Agency Network)
• Originally ARPANET consisted of four computers
  one of them at UCLA!
• Early 1970s - Development of basic Internet
  protocols
• IP (Internet Protocol)
• Telnet Protocol
• FTP (File Transfer Protocol )

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History of Internet (2)

• 1984 Over 1,000 Internet hosts
• 1990 Development of
• HTML (HyperText Markup Language)
• URL (Universal Resource Locator)
• the concept of WWW (World Wide Web)
• 1991 Development of
• HTTP (Hyper Text Transfer Protocol)
• 1992 Over 1,000,000 Internet hosts

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History of Internet (3)

• 1993 - Implementation of Web browsers - a new
  type of software using HTTP, URLs and hypertext
  (HTML documents) to retrieve remote information
  1995 World Wide Web (WWW) became the dominant
  Internet service exceeding the usage of Gopher,
  Telnet and FTP
• 2001 Over 109 million Internet hosts

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Browser Basics

• Title Bar
• Menu Bar
• Tool Bar
• URL Box
• Page Content
• Status Bar

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