Which of the following statements about abstract base classes is true?

a) abstract base classes may contain data.
b) abstract base classes may not contain implementations of methods.
c) abstract base classes must declare all methods as abstract.
d) abstract base classes must declare all data members not given values as abstract.

a) abstract base classes may contain data.

Computer Science & Information Technology

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The following statement is FALSE regarding macros:

A) During the late 1990's and early 2000's many of the most widespread viruses were macro viruses. B) Security is not a major concern when working with macros in an Access database. C) While the use of Visual Basic in macros makes them a very powerful tool, macros are not always used with good intentions. D) Access has built-in security to protect users from macro viruses.

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What is the sixth step in logical troubleshooting?

A) Verify full system functionality. B) Test the theory to determine the cause. C) Document findings, actions, and outcomes. D) Establish a plan of action.

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