How do you convert binary to decimal if the binary was 1.01? -

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what 1.01 binary in decimal?

just remember use positional numbering system.

1101 = 2^0 + 2^2 + 2^3  =  1 + 4 + 8  =  13 1.01 = 2^0 + 2^(-2)     =  1 + 1/4    =  1.25

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