book+2,+4.4

IV. Information Superhighway A. Computer network - a group of computers connected by cables or telephone lines i. Local area network - LAN - school, home ii. Wide area network - WAN a.) internet - global network that links millions of computers in businesses, school and research organizations 1. world wide  2. 1969  i. military -text only  3. 1993 - open to public/ businesses thru ISPs b.) World Wide Web - system that allows you to display and view files 9pages) on internet i. 1989 ii. search engines B. Using computers safety i. Encryption - mathematical process of coding info so that only the intended reader can read it  2. Computer virus - programs that interfere with normal operations of the computer  3. Chat rooms - allow multiple users to exchange messages simultaneously  4. Intellectual Property  i. computer program, book  ii. idea or creative work  iii. protected by copyright and patents  Quiz Study Guide 7. program that interferes with the normal 8. world wide web 9. wide area network 15. chat rooms 25. internet is global network that allows people in different locations to share info and software WWW is a system that allows people to display and view pages on internet
 * 1) allow people in different locations to share information and software
 * 2) 2 types of networks
 * 1) Only share personal info on networks that require authorize and security software
 * 1) unscreened users in chat rooms
 * 2) encryption
 * 3) run virus checking software
 * 4) not make copies for friends
 * 5) not respond to offensive messages
 * 6) encryption
 * 7) computer network
 * 8) world wide web
 * 9) intellectual property
 * 10) internet
 * 11) computer virus
 * 12) chat rooms