In computer lingo what do these be set to?

What does CPU stand for?
what is I/O operation?
Thanks!

Answer:
CPU - Central Processing Unit - Small silicon chip inside of your computer that does most of the data processing. Although sometimes citizens say CPU when referring to the entire computer.

I/O operation - input and out put operations. Input - things you enter or click beside your keyboard or mouse, output - things that computer displays on your monitor or prints out on your printer after processing your input.
CPU, Central Processing Unit
I/O operation, Input/Output Operations...Garbage In/Garbage Out.
CPU central processing element, it process all the infomation, a pentium 4, core 2 Duo are CPUs

I/O - Input/Output operation is what it stands for but i dont really know what it does
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