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Internet and Intranets Chapter 11. By Stephen Harris. What is the Internet?. Made up of many networks. What is a network? Computers that are connected and can share information. schools homes organizations businesses. Wide Area Network (WAN)
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Internet and IntranetsChapter 11 ByStephen Harris
What is the Internet? • Made up of many networks. • What is a network? • Computers that are connected and can share information. • schools • homes • organizations • businesses
Wide Area Network(WAN) Connects computers over a large geographic area, such as a city, county or country. Usually found on a much smaller area, such as a college campus. Local Area Network(LAN) Connects individual computers to one another. Could be a network within a lab or a single building. Types of networks:
How do I connect to the Internet? • You will need a modem. • Modem and phone. • Cable modem. • You will need an Internet Service Provider(ISP)
Electronic mail. Bulletin boards Chatrooms Audio communications. Video communications. Search for information. Yahoo is a good subject catalog. Altavista is a search engine. What can I do on the Internet?
How do I use email? • Unique ID • each user on the internet has a unique address. • example: ga_harris@yahoo.com • “ga_harris” is the name. • “yahoo” is the computer network. • “com” is the type of organization.
Communicating on the internet. • Newsgroups • also called “chat groups” or “conferences” • Mailing lists • also called “listservs”
World Wide Web • Commonly called “the Web” • Not separate from the internet. • “rides” on top of it. • Information exchanged using protocol. • Hypertext transfer protocol (HTTP)
Web Pages • Individual pages are grouped together to become a website. • Accessed by entering the uniform resource locator (URL) • example: www.tamu-commerce.edu • Hypertext Markup Language (HTML)
Hypertext Markup Language HTML • Set of formatting commands. • Requires programs to read. • Examples: • Internet Explorer • Netscape • Software available to create pages. • Example: Microsoft Frontpage
What is an Intranet? • Internal network for companies or schools. • Allows remote access via dialing in to network. • Unwanted users controlled via “firewall.”
A S S U R E MODEL • Analyze Learners • State Objectives • Select Methods, Media, and Materials • Utilize Media and Materials • Require Learner Participation • Evaluate and Revise