What is a question about this article? If the question is unanswerable, say "unanswerable".

When unprocessed data is sent to the computer with the help of input devices, the data is processed and sent to output devices. The input devices may be hand-operated or automated. The act of processing is mainly regulated by the CPU. Some examples of hand-operated input devices are:

Processing data from input and output devices is typically done by what?
CPU