How many 2-to-4 decoders (with enable) are needed to build a 4-to-16 decoder?
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Correct answer: (D) 5
Explanation
4 decoders for outputs + 1 to drive their enables = 5.
From DSSSB TGT Computer Science Full Mock Test 2
This is question 112 of DSSSB TGT Computer Science Full Mock Test 2. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.