1. The Internet and the WWW What’s the difference between the Internet and the World Wide Web (WWW)? Or are they the same thing? The Internet and the WWW are not the same. The Internet dates back to the late 1960s. Advanced Research Projects Agency (ARPA). The WWW was created in 1989. European Laboratory for Particle Physics (CERN) in Geneva, Switzerland.

2. The World Wide Web browser - a program used to display documents on the WWW. protocol - a standard procedure for doing something. Its original meaning refers to the ceremony and etiquette observed by diplomats and heads of state. Hypertext Transfer Protocol (HTTP) - the protocol used to transport information on the WWW. Uniform Resource Locator (URL) - an address used to identify a page of information on the WWW.

3. Sample URL http://cs.gettysburg.edu/CompSci103/ syllabus.html Protocol - http Domain name - cs.gettysburg.edu “edu” denotes educational institution. Others include “com”, “org”, and “gov”. Directory - CompSci103 File name - syllabus.html The default file name is index.html.

4. Hypertext Markup Language Hypertext Markup Language (HTML) - a simple language used to describe how a page should appear on the WWW. You can see the HTML associated with a page by selecting View ---> Source. HTML is static in that it describes how a page is to be displayed, but it doesn’t provide for interaction or animation. A page created with HTML alone is similar to a document created with a word-processor. All you can do is view or print it.

5. HTML HTML documents are text documents containing the text that is to be displayed along with formatting instructions. HTML documents must be created with a text word-processor such as NotePad. An HTML document must have a file extension.html or.htm. tag - an HTML formatting instruction. A tag is enclosed within brackets. attribute - a parameter used to configure a tag.

6. HTML HTML is not case sensitive. However, we will use uppercase (capital) letters for HTML tags. Some tags are required. It’s a good idea to create a basic skeleton HTML page and use it as the starting point whenever you begin a new page.

7. Basic HTML Page Title goes here. Body goes here.