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The given logic circuit represents:
  • a)
    4 bit binary to decimal converter
  • b)
    4 bit decimal to excess-3 code converter
  • c)
    4 bit binary to Gray code converter
  • d)
    4 bit decimal to binary converter
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The given logic circuit represents:a)4 bit binary to decimal converter...
The circuit is redrawn as:

y1 = x1
y2 = x1 ⊕ x2
y3 = x2 ⊕ x3
y4 = x3 ⊕ x4   
Let the input to the circuit be 1010
∴ For an input 1010, we get the output as 1111.
Similarly, let the input be 0110.
The output for 0110 input is 0101
Observations:

∴ The given circuit converts 4 bit binary to Grey code converter.
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Community Answer
The given logic circuit represents:a)4 bit binary to decimal converter...
The circuit is redrawn as:

y1 = x1
y2 = x1 ⊕ x2
y3 = x2 ⊕ x3
y4 = x3 ⊕ x4   
Let the input to the circuit be 1010
∴ For an input 1010, we get the output as 1111.
Similarly, let the input be 0110.
The output for 0110 input is 0101
Observations:

∴ The given circuit converts 4 bit binary to Grey code converter.
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The given logic circuit represents:a)4 bit binary to decimal converterb)4 bit decimal to excess-3 code converterc)4 bit binary to Gray code converterd)4 bit decimal to binary converterCorrect answer is option 'C'. Can you explain this answer?
Question Description
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