The Magic Wand Tool options bar has a ____ box that allows you to enter a value that determines the similarity or difference in the color of the selected pixels.
a. Color
b. Contrast
c. Tolerance
d. none of the above
c. Tolerance
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Which of the following is not true about static methods?
a. They are created by placing the key word static after the access specifier in the method header. b. It is necessary for an instance of the class to be created to execute the method. c. They are called directly from the class. d. They are often used to create utility classes that perform operations on data but have no need to store and collect data.
Show how to express the relational operators of projection, selection, Cartesian product, natural join, union, and set-di?erence using Datalog.
What will be an ideal response?
Macros are stored sets of instructions that ________ common tasks
Fill in the blank(s) with correct word
Each of the following are examples of Spreadsheet applications, EXCEPT ________.
A. Access B. VisiCalc C. Excel D. Lotus 1-2-3