• T he Internet was launched in 1969 when the United States funded a project that developed a national computer network called Advanced Research Project Agency Network (ARPANET).• The Internet is a large network that connects together smaller networks all over the globe.• The Web was introduced in 1991 at the Center for European Nuclear Research (CERN) in Switzerland.
The most common uses are the following:• Communicating• Shopping• Searching• Education or e-learning• Entertainment
Access• T he Internet and the telephone system are similar—you can connect a computer to the Internet much like you connect a phone to the telephone system.• Providers Internet service provider (ISP)• Local area network or dial-up• Browsers:MS Internet Explorer, Mozilla Firefox, Apple Safari, Google Chrome
URLs (uniform resource Locators)http://www.mtv.comhttp protocol.com top-level domainMtv.com domain name
firstname.lastname@example.org user namemn top level domainnum.edu.mn domain name
• Instant messaging yahoo messenger MS MSN messenger AOL’s Instant messenger• Social Networking Reuniting sites (Classmates Online, Facebook) Friend-0f-a-frind sites (Friendster, MySpace)• Common interest sites (Flicker, YouTube)
• Site Description• Classmates.com Reuniting, primarily for school, work, military• Facebook.com Reuniting, primarily for college and high school students• Flickr.com Common interest, image sharing• Friendster.com Friend-of-a-friend, general• MySpace.com Friend-of-a-friend, general• YouTube Common interest, image sharing