Use a spreadsheet to solve this business problem. The owners of an electronics store want to find which of their products makes
the most profit during the past month. 200 computer monitors at $280 with a profit of 29% 40 DVD players at $350 with a profit of 38% 60 televisions at $700 with a profit of 22% 100 MP3 players at $200 with a profit of 40%
Input devices accept data in a form that the computer can use; they then send the data to the processing unit. The processor, more formally known as the central processing unit (CPU), has the electronic circuitry that manipulates input data into the information people want.