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>> No.14507248 [View]
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14507248

>>14506866
ALUs have special logic in them that implements multiplication. its all proprietary so you cant know whats being used in modern chips, but an easy example is repeated addition like you suggested. if you want to know how computers add numbers, google "full adder".
and that only goes for integers. for floating point numbers, a special circuit called an FPU is used, and FPUs are a whole fuckin other level of complexity.

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