Why is the maximum value of any color channel 255?
What will be an ideal response?
The maximum value is 255 because each of the color values is stored in 8 bits. The number of patterns we can make with 8 bits is 256 (from 0 to 255).
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Answer the following statements true (T) or false (F)
1. A C++ declaration introduces only an identifier's spelling and specifies its type. 2. A C++ declaration is a definition that also allocates storage for an identifier's value (or function's body etc.). 3. The range of values for an int variable is from about 0 to +2 billion. 4. The names x, y, and z are satisfactory variable names for the lengths of the legs and hypotenuse of a triangle. 5. In C++ you can assign an expression of type int to a variable of type double with no problem.
Which of the following is not a primitive type?
a. char b. float c. String d. int
If you include a period in a UNIX file name, the characters following the period are treated as __________.
a. part of the file name b. the file name extension c. you cannot include a period in a UNIX file name d. filler
What would happen if the call to super.paintComponent were removed from the paintComponent method of the CoordinatesPanel class? Remove it and run the program to test your answer.
What will be an ideal response?