Mary enjoys taking digital photos and would like software that would allow her to perform tasks such as correct brightness or contrast, eliminate red eye, crop, resize, etc. In order to have this functionality on her computer, she needs a photo program.

whats

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)