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Definition of a Determinant

P number of 3...

Question

P number of 3 to 8 line decoders with an enable input are needed to construct a 9 to 512 line decoder without using any other logic gates. The the value of p is ________
73

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Solution

The correct option is A 73
$\frac{512}{8} = 64$
$\frac{64}{8} = 8$

$\frac{8}{8} = 1$

$P = 64 + 8 + 1 = 73$

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