Information Technology Reference
In-Depth Information
3.
A survey of the members of one organization suggested that
about onequarter of Internet users have disabled JavaScript
in their browsers as a safety precaution. Upon learning this,
developers of various Web sites for the organization con
cluded that checking Web forms for errors should be done
both clientside and serverside.
a.
(Easy) Why might clientside error checking be inadequate
for this organization's Web applications?
b.
(Requires a bit more thought) Why might developers in
clude clientside error checking at all in their Web materi
als if it will be disabled by many users of the site?
4.
Owners of laptop computers sometimes complain that they
can connect their laptop computers to the network in some
labs or hotel rooms and the machines work fine, but their lap
tops do not work properly on other networks. Identify some
possible causes of these difficulties.
■
Exercises
1. a
. Identify words or phrases from the “Terminology from
This Chapter” section that relate to the location of ma
terial on the Web. Write a definition or describe the
meaning of each of these terms.
b
. The “Terminology from This Chapter” section includes
several terms related to translating a Web location or
address from one form to another. Identify these terms,
and explain the role each might have when you are
searching the Web for a document.
c
. The chapter's terminology includes several terms related
to standards or agreements on how information will be
communicated. Identify these terms, and provide expla
nations of each.
d
. Some terminology in the chapter relates to computers
themselves and their connections to the World Wide
Web. Identify and explain these terms.
e
. Review the “Terminology from This Chapter” list for
any remaining terms (not covered in parts a through d).
Provide careful definitions for each word or phrase.
