ISRO | ISRO CS 2011 | Question 31

How many 3-to-8 line decoders with an enable input are needed to construct a 6-to-64 line decoder without using any other logic gates?
(A) 7
(B) 8
(C) 9
(D) 10

Answer: (C)
Explanation: Refer: GATE-CS-2007 | Question 85

Option (C) is correct.
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