d4rk ball3r

I been programming(vb) for about 8 months and now i get a btter understanding of computers but im wandering how does the computer know what 2 do?like do they put these things in the computer?Im very curious.

E.G:
picturebox1.left +=4

how does the computer know. when i type that the picturebox should move 4 pixels. It amazes me how the computers know everything

Thank you for your help

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