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A combinational logic circuit for traffic control is designed. ___________ GATE can only be used to implement the designed control circuit without any additional GATES.
  • a)
    NOT
  • b)
    EXOR
  • c)
    AND
  • d)
    NAND
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A combinational logic circuit for traffic control is designed. _______...
The logic gate for traffic control is:

For red light
Output X = NOT (J)

For yellow light
Output Y = K

For green light:
Output Z = J AND (NOT K)

Combined Circuit is given as,

Now, all the gates can be formed from NAND gate, as it is a universal gate. 
NAND gate will be the correct answer. 
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Community Answer
A combinational logic circuit for traffic control is designed. _______...
The logic gate for traffic control is:

For red light
Output X = NOT (J)

For yellow light
Output Y = K

For green light:
Output Z = J AND (NOT K)

Combined Circuit is given as,

Now, all the gates can be formed from NAND gate, as it is a universal gate. 
NAND gate will be the correct answer. 
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A combinational logic circuit for traffic control is designed. ___________ GATE can only be used to implement the designed control circuit without any additional GATES.a)NOTb)EXORc)ANDd)NANDCorrect answer is option 'D'. Can you explain this answer?
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