____ is an object-oriented feature that provides the ability to make important object features available while hiding nonessential details.
A. Abstraction
B. Encapsulation
C. Inheritance
D. Polymorphism
Answer: A
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MC A destructor executes when______ .
a) no references to the object exist. b) the object’s value is set to null. c) multiple copies of an object exist. d) None of the above.
You can choose from about ____ computer-related certification exams in areas from desktop publishing to network installation.
A. 30 B. 300 C. 600 D. 3,300
________ is a form of fraud in which one person pretends to be someone else
A) Spyware B) Cyberbullying C) Malware D) Identity theft
Match the following charts with their descriptions:
I. Bubble chart II. Surface chart III. Area chart IV. Doughnut chart V. Pie chart A. Shows comparison of one series B. Similar to Pie, but with multiple series C. Similar to XY, but with three values D. Emphasizes the magnitude of change over time E. Two data sets plotting a surface