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Identify the 1 – bit comparator circuit 
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Identify the 1 – bit comparator circuita)b)c)d)Correct answer is...
Comparator: 
A comparator is a combinational circuit that gives the output in terms of input signals.
It is used to compare numbers and represent their relationship with each other.
It compares the signals as A > B, A < B, and A = B.
1-bit comparator:
A 1-bit comparator circuit is shown below.

In this circuit, we can compare two input signals
The truth table for the 1-bit comparator is

The expression for A = B: A ⊙ B
The expression for A > B: A B̅ 
The expression for A < B: A̅ B
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Identify the 1 – bit comparator circuita)b)c)d)Correct answer is...
Comparator: 
A comparator is a combinational circuit that gives the output in terms of input signals.
It is used to compare numbers and represent their relationship with each other.
It compares the signals as A > B, A < B, and A = B.
1-bit comparator:
A 1-bit comparator circuit is shown below.

In this circuit, we can compare two input signals
The truth table for the 1-bit comparator is

The expression for A = B: A ⊙ B
The expression for A > B: A B̅ 
The expression for A < B: A̅ B
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