The K-map given below represents the bit G2 for a 4-bit Binary (B4B3B2B1) to Gray (G4G3G2G1) converter. What will be the expression of G2?

F1 S.B Madhu 11.03.20 D1

This question was previously asked in
ISRO VSSC Technical Assistant Electronics 2019 Official Paper
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  1. B3 ⊕ B1
  2. B3 ⊕ B4
  3. B3 ⊕ B2
  4. B2 ⊕ B4

Answer (Detailed Solution Below)

Option 3 : B3 ⊕ B2
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Detailed Solution

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Forming pair's of 4 in the K-map is as shown:

F2 S.B Madhu 11.03.20 D9

The simplified expression for G2 will be:

G2 = B32 + B̅3 B2

G2  =  B3 ⊕ B2

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