List I | List II | ||
---|---|---|---|
A. | Serial Binary adder | 1. | (2n - 1)tpd |
B. | Ripple carry adder | 2. | (n - 1)tpd |
C. | Carry look ahead binary adder | 3. | Operation time independent of size |
4. | 6tpd for 4 bit carry look ahead adder |
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