Name three useful organizational structures and the advantages of each.
What will be an ideal response?
Hierarchical structures have the advantage of familiarity. People have previous experience with them. Hierarchies have the additional advantage of first
McCracken and Wolfe User-Centered Website Development
Answers to Questions
showing users the big picture, followed by levels of successively finer detail that appear as a user drills down through the structure.
A hypertext structure, which consists of items of information and connecting links, provides the flexibility missing a pure hierarchical system.
A database organization gives people the ability to search more pages than they could if they had to look at each page in turn.
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Passwords are set and changed on presentations to enhance ________
Fill in the blank(s) with correct word
Using the Transcript table, write an SQL statement that
a. Deregisters the student with Id = 123456789 from the course CS305 for the fall of 2001 b. Changes to an A the grade assigned to the student with Id = 123456789 for the course CS305 taken in the fall of 2000 c. Returns the Id of all students who took CS305 in the fall of 2000