Internet 101 Summer 2011

Basics

Number of Users

What is the Internet?

Computer Parts Site Structure Basic Terms Connection Types Browsers Internet Basics Section 1- Internet Basics

Computer Parts

Modems Cable

ISPs

Internet Connections Dial Up DSL Satellite Cable Slowest internet connection Uses existing phone lines and a modem Generally the cheapest option; requires phone service Must dial up and disconnect when done Cannot use internet and phone at the same time Much faster than dial-up Connects though phone lines; does NOT require phone service Always on Internet and phone can be used at the same time Unavailable in many locations even where there are phone lines Much faster than dial- up; can be faster than DSL Uses cable connection; does NOT require a cable TV subscription Always on Only available where cable is available. Faster than dial-up Data is delayed Not good for real-time uses (gaming & videoconferencing) Connects via satellites Affected by rain or snow Does not require phone/ cable Use almost anywhere

WWW v. Internet

URL

URL Makeup

v Good v. Bad URLs

v Good v. Bad URLs

URL Shorteners w3/webwh.nsf/allbyke y/6CFCC1A6DA87D5A A v

Bit.ly, tinyurl 5e6m33

404 Error

404 Error

Links

Website Structure

Browsers

What is a Browser?

Internet Explorer

Firefox

Chrome

Internet Basics Activity