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Summary for HCI 201 -- 1/12/06

Review Questions

1. What are the goals of HCI with respect to computer systems?
   Ans: To improve computer systems with respect to safety, utility, effectiveness, efficiency, usability and appeal.

2. What is a Needs Analysis?
   Ans: A short discussion of why the site is needed and what the goal and/or mission of the site is.

3. Name four types of prototypes.
   Ans: Throwaway, evolutionary, low-fidelity, high-fidelity.

4. What are the advantages and disadvantages of expert vs. user evaluation?
   Ans: Experts might thing of things to add to the site that the average user might not consider. Average users might uncover that the site is too complex in places; the expert might not notice this.

5. What is the difference between a folder and a directory?
   Ans: No difference. They are both names for a special file that stores the names and locations on disk of the files that it contains. Folder is a Windows word. Directory is a Unix and DOS word.

Special Characters in HTML

• Open a FrontPage website with a single page named test-page.htm.

• Enter these characters on the page in Normal View:
  <   >   "   &

• Change to Split View to see how these characters are represented in HTML.

• What happens to the code when you type extra spaces between these characters?

The History of the Internet

• See the document A Brief History of the Internet.

Do Exercise Ex3

• Here is the description of Exercise Ex3.