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Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 20 (Q.No. 41)
Exam Questions Papers
41.
Consider the following statements
A 4 : 16 decoder can be constructed (with enable i/p) by
  1. Using four 2 : 4 decoders (each with an enable i/p) only
  2. Using five 2 : 4 decoders (each with an enable i/p) only
  3. Using two 3 : 8 decoders (each with an enable i/p) only
  4. Using two 3 : 8 decoders (each with an enable i/p) only
Which of the statements given above is/are correct?
2 and 3
1 only
2 and 4
none
Answer: Option
Explanation:
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