Chapter 2 The Internet and Multimedia
How the Internet Developed • The Internet developed from a research project started by the U.S. Defense Department in 1958. • Three inventions that spread the use of the Internet were: • The personal computer (early 1980s) • The World Wide Web (1989) • The browser (1991)
Connecting to the Internet • In order to connect to the Internet you must have: • A modem: allows your computer to send and receive signals though telephone lines • An Internet service provider (ISP): required for all home connections • Browser software: might need plug-in programs to retrieve some types of media applications
Navigating the Web • In order to work with multimedia on the Internet, you must understand: • The browser screen and its standard elements • URL addresses and the information they contain
Standard Browser Elements Additional links Navigation buttons Menu bar Web address or URL Sidebar Main display area Hyperlinks
Searching the Web • Use search engines to find the right Web page: • Create search queries that include keywords. • Use Boolean search strategies to narrow your search. • Use the right search engine to conduct faster, more efficient searches.
Communicating on the Internet • There are several ways to communicate on the Internet: • E-mail: Sent to a specific e-mail address. Can have attachments. • File transfer protocol (FTP): Often used to transfer large files from one computer to another. • Chat rooms: “Virtual” rooms where you can exchange typed messages with others who are in the room. • Instant messaging: Allows you to communicate in real time with one person.