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A 1-bit full adder takes 20ns to generate carry out bit and 40ns to the sum bit. When four 1-bit full adders are cascaded , then the total  time for additions is
asked in Digital Logic by Loyal (2.6k points) 2 10 39 | 23 views
it will take 20*3 + 40 = 100ns
WHAT IF IS CARRY AHEAD LOOK ADDER?

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