Problem 3: Write a program that displays a rectangle . You can point the mouse inside the rectangle and drag - i. e., move with mouse pressed - the rectangle wherever the mouse goes. The mouse point becomes the center of the rectangle.

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)