A ________ can import data from an Excel workbook, from a Microsoft Access database, or from an external source such as a corporate database, a public data feed, or an analysis service
A) report tool B) Data Model
C) table tool D) Business Intelligence tool
B
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The private field, which is known as the property's ____________, holds any data that is assigned to the property.
a. hidden value b. shadow variable c. backing field d. data core
Generics provide __________ that allows programmers to catch invalid types at compile time.
a. compile-time type safety. b. compile-time exception handling. c. compile-time error checking. d. run-time type safety.
In this exercise you will simulate a user experiencing low vision. Get a cheap pair of sunglasses and smear a little Vaseline¨ onto the lenses. Calibrate the blurriness. Experiments with distributing the Vaseline until it’s possible to read 36-point type but impossible to read 12-point type. Take care to clean up the rims and frame that they’re not too repulsive to wear.
Recruit four people to test. These cannot be the same people who participated in the baseline test. When testing, do obtain informed consent and administer the same pre-test questionnaire that you developed for exercise 19. Before each test, configure a Web browser to use the largest font size available. Display the home page of the e-commerce site. Use the same scenarios and record the same measures that you did in exercise 19. a. Write an orientation script that explains that the user will be wearing a set of specially prepared classes to simulate low vision and will perform some common tasks on an e-commerce site. b. Write up the results. Give a summary of responses on the pre-test questionnaire. For each task, create a table showing the measures for the four users. c. Create a summary table that gives the average measures for each of the tasks. McCracken and Wolfe User-Centered Website Development Answers to Questions d. Compare the measures from this group to the measures you collected in exercise 19. What are the differences? What do you conclude?
If you insert, delete, or move captions or figures, you will need to update an existing:
A) table of contents. B) index. C) table of authorities. D) table of figures.