Question $26$

Given: A $16$:$1$ multiplexer has data inputs $D_0,D_1,$dots,$D_{15},$ select

inputs $S_{3\text{:}0},$ and output Y $.$ It is implemented using tristate

buffers.

What is used to enable the tristate buffer that is connected to

$D_{11}?$

none of these

S$3$ S$2\text{'}$ S$1$ S$0\text{'}$

S$3\text{'}$ S$2$ S$1\text{'}$ SO$\text{'}$

S$3\text{'}$ S$2\text{'}$ S$1$ S$0\text{'}$

S$3$ S$2\text{'}$ S$1$ S$0$

S$3$ S$2$ S$1\text{'}$ S$0$

S$3\text{'}$ S$2$ S$1\text{'}$ S$0$