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The addition of 3-bit is performed using which adder?
  • a)
    Counter
  • b)
    Flip-flop
  • c)
    Full adder
  • d)
    Half adder
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The addition of 3-bit is performed using which adder?a)Counterb)Flip-f...
Half Adder:  It is a logic circuit that performs addition on two binary digits. It produces a sum and carry.

Full Adder:
  • It is a logic circuit that takes three inputs to perform addition.
  • Two binary input and one carry-in input of the previous stage is used.
  • It generates sum and carry (C-out). C-in is a carry from a less significant digit and c-out is a carry from the most significant bit.

Additional Information
If we want to add two n- bit binary adders then it requires 1 half adder and n-1 full adder to complete the circuit. So, in the given question to add 4- bit binary numbers requires 1 half adder and 3 full adders.
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Most Upvoted Answer
The addition of 3-bit is performed using which adder?a)Counterb)Flip-f...
Half Adder:  It is a logic circuit that performs addition on two binary digits. It produces a sum and carry.

Full Adder:
  • It is a logic circuit that takes three inputs to perform addition.
  • Two binary input and one carry-in input of the previous stage is used.
  • It generates sum and carry (C-out). C-in is a carry from a less significant digit and c-out is a carry from the most significant bit.

Additional Information
If we want to add two n- bit binary adders then it requires 1 half adder and n-1 full adder to complete the circuit. So, in the given question to add 4- bit binary numbers requires 1 half adder and 3 full adders.
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