Communications, Networks, the Internet and the World Wide Web Chapter 2.

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Presentation transcript:

Communications, Networks, the Internet and the World Wide Web Chapter 2

Telecommunications What is it? Give examples

Communications Network What is it? What is communications software?

Communications Channel What is it? What are they made up of?

Digital Signals What are they? What is an analog signal?

Modem What is it? Where does this word come from? What is an internal modem?

Network Interface card What is it?

LAN What is a LAN? Who does it serve? What is a server?

WAN What is a WAN? Who does it serve and how?

Home Network What are they?

School Networks Why have schools installed networks? ? What does the server do in a school network?

Wireless Revolution What is the wireless revolution that is taking place in education today?

Computer Networks in Education What are the benefits? What is considered the most important benefit?

Internet What networks make up the Internet? What are some uses of the Internet?

ARPANET What is it? How did it come about? What is a host? Who is NSF and why are they important in the history of the Internet?

Internet and Education How many schools are connected to the Internet? ?% What is Internet2 (I2) Who are members of Internet2?

How the Internet Works What are Packets Routers Packet switching What is TCP/IP

Terms ISP OSP WISP

Ways to Connect Dial-up CATV DSL Satellite modem PLC Public Internet access point

Internet Addresses Why use text names? Domain name Know part A of Figure 2-19 on page 82

World Wide Web terms Hyperlinks Web page or Webpage Web site Home page URL http Web server

Web Page Hypertext document contains what? Hypermedia document contains what?

Three Types of Hyperlinks Target hyperlinks Relative hyperlinks Absolute hyperlinks

Discovery Learning What is it? How does the WWW facilitate it?

WWW Terms Webmaster HTML Web publishing Web browser

Important information Mosaic – first graphical web browser Microbrowser History list Favorite or bookmark

Web Searching Search tools Search engine Subject directory

Multimedia on the Web What is multimedia? What is a plug-in? What are graphics? What is animation? What is an animated GIF?

Multimedia (cont.) Audio What are some examples of players? Streaming audio Video Streaming video

Multimedia (cont.) Virtual Reality What is it? What are some examples?