When you use ____________________ rows or columns, alternating rows or columns are filled with different shading.

Which of the following is an error:

a) referencing a private attribute of a class in a member function b) failing to include the .cpp file c) calling a member function without the dot notation outside the class d) putting a semicolon after the class definition

Each pixel is composed of ____ colors.

A. three B. five C. 128 D. 256