Name the hardware component that performs each of the following functions (1) performs calculation and/or comparisons (2) holds the data and programs that are currently being used by the central processing unit (3) contains instructions that are used during booting up of the computer

1. The CPU (central processing unit) does the calculations and comparisons that make the computer work. They use millions of transistors to do so.

2. The ROM holds all the programs on the computer. This is most often the "C" drive.

3. The ROM also has the operating system that is used to run the computer.