Computer Networks

Tutorial #19

1. The following markup appears in the context of a form on a Web page. How would you expect it to appear on a Web page?

   	<INPUT TYPE="TEXT"  NAME="Name" MAXLENGTH="64" SIZE="20">
   	

2. What is meant by the following terms:
   • Radio button
   • Checkbox

3. The following string of text has been urlencoded. What would the original form have looked like? Artist's impression required!

   	name=Jeff+Kennett&sex=male&occupation=supreme+ruler
   	

4. The GET method is recommended for submission of form data if the submission of the form does not have side effects. What does this mean?

5. How does a CGI program written for a GET method obtain data from a form?

6. What is an Intranet, and what distinguishes it from the Internet?

7. What is client/server computing, and what distinguishes it from other types of distributed computing?

8. Why are some industry observers predicting that Web browsers are set to become universal clients?

Practical exercises:

• Look at some Web pages containing forms and see if you can make sense of the HTML source.