Explain the use of the NOT operator.
What will be an ideal response?
You use the NOT operator, which is written as the exclamation point ( ! ), to negate the result of any Boolean expression. Any expression that evaluates as true becomes false when preceded by the NOT operator; and accordingly, any false expression preceded by the NOT operator becomes true.
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For each of the following activities, name the step of the user-centered development methodology where it occurs.
a. The development team decides that a user should be able to reach any page on the site in three clicks. b. A team member asks users what they like about the current web site and solicits suggestions for further improvement. c. A team member watches users as they complete tasks using a prototype of the new site. d. The team discusses possibilities for the appearance of subsidiary web pages. e. The team comes to consensus on navigation aids.
Suppose you need to accommodate measurements in inches and centimeters on your new Web site. Both units need to be accurate to two decimal places. The maximum length you need to represent is 50.05 inches.
a. How many characters do you need to represent the maximum value in inches? b. How many characters do you need to represent the maximum value in centimeters?
Video data requires the most amount of bandwidth when compared to text data.
Answer the following statement true (T) or false (F)
A server administrator wants to isolate a SAN hosted LUN to be visible to only a single host. Which of the following methodologies would be used to present the LUN to only that host?
A. LUN masking B. LUN ID assignment C. Port mapping D. Port zoning