basic structure of a computer
It performs arithmetic, compares data, and moves data to and from the other parts. Computers have the following components: Central Processing Unit A computer's central processing unit (CPU) is its active brain.. It performs arithmetic, compares data, and moves data to and from the other parts.n short, they are the following: Input/Output Keyboards, mice, displays and printers are all types of input/output (I/O) devices. Data flows from keyboards and mice through the buses and into the CPU and RAM. Results of calculations flow back to the display and printer.