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How many 3 × 8 decoders are required to Construct a 4 × 16 decoder?
- a)Two
- b)Three
- c)Four
- d)Five
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
How many 3 × 8 decoders are required to Construct a 4 × 16...
Concept:
A decoder is a combinational circuit that converts n lines of input into 2n lines of output.
Decoder expansion
n1 × m1 → n2 × m2
Number of D2 decoder required is given as:
∑ K = K1 + K2 + K3 + ------
Calculation:
Given decoder 1 is 3 × 8 and the second decoder is 4 × 16
16/8 = 2
2/8 = 0
Number of 3 × 8 decoders = 2 + 0
Number of 3 × 8 decoders = 2
The implementation is shown below.
Community Answer
How many 3 × 8 decoders are required to Construct a 4 × 16...
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How many 3 × 8 decoders are required to Construct a 4 × 16 decoder?a)Twob)Threec)Fourd)FiveCorrect answer is option 'A'. Can you explain this answer?
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