Find the binary number equivalent of 20 . (a) \( (10100)_{2} \) (b) \( (1111)_{2} \) (c) \( (100...

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Find the binary number equivalent of 20 .
(a) \( (10100)_{2} \)
(b) \( (1111)_{2} \)
(c) \( (1001)_{2} \)
(d) \( (10001)_{2} \)
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