Multi-tasking allows a single CPU to execute
a. the same task multiple times one after another
b. multiple tasks at the same time
c. only tasks involving the multiplication math operation
d. different tasks one after another
e. more than one machine instruction at the same time
b. multiple tasks at the same time
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The class GridLayout constructs to hold components.
a. a horizontal grid with one row b. a vertical grid with one column c. a grid with multiple rows and columns d. a square grid with the same number of rows as columns
Use the Color Matching software to test people’s performance and preference for the RGB and HSB color models.
a. Recruit 30 people to take the test. Each person will match 10 colors. Divide the people into two groups. The first group will use the RGB model for the first five matchings they complete, and the HSB model for the second five. The second group of people will use the HSB model first, followed by the RGB model. b. In a written pretest questionnaire, ask the test participants to list any computer graphics, Web, or graphics design classes they’ve taken. Also ask them if they’re colorblind. c. Be sure to administer an informed consent. Review chapter 8 for a discussion on informed consent. d. Test each user individually. Ask each user to match 10 colors, one at a time. For each matching, tell them which model to select. e. During a test session, record the color name, the color space and the number of adjustments that the user made for each matching. At the end of the matching sessions, as the user which was the better system for color matching. f. Analyze the data you collected, and answer the following questions:
Compare and contrast exception handling with the various other error-processing schemes discussed in the text.
What will be an ideal response?
Standards for Web content are created and overseen by an organization called the _____.
A. SG3 B. Internet2 C. W3C D. HTTP