...Internet...
...Information Super Highway
...Cyberspace
An ever-changing, ever-expanding worldwide network of computers connected through high speed telephone lines
Information stored, transmitted, and received digitally
Text, video, and audio
Advantages:
Quick access to an abundance of information
Ability to communicate with others in a timely manner via e-mail
Non-discriminatory |
Disadvantages:
Validity of information
No physical access to others
Accessible to anyone and everyone
|
Uses of the internet:
- Travel
- Trade
- Entertainment
Surfing the internet:
Clicking on hyperlinks (underlined, bold, or colored words) allows movement from site to site.
Mouse pointer changes shapes from an arrow to a hand when moved over a link.
Protocols
- Internet Protocol - underlying method of communication which allows information to be exchanged across the Internet
- Http
- Ftp
- Pop
- Slip
- Smtp
Terms
- Web browser -
- software that displays graphics and text of a specified site
Examples: Netscape Navigator and Microsoft Explorer
- URL (Uniform Resource Locator) -
- a special kind of address that tells web browser the location of the site
Parts of a URL

http://www.google.com
- Protocols -
- standardized procedures for transmitting files
- Domain name -
- exact location of the Internet server and the type of organization
- Pathname -
- folder(s) in which the file is stored extension
Types of domains
- .edu - the most valid
- .com
- .org
- .gov
- .net