1-bit full-adder takes 20 ns to generate carry-out bit and 40 ns for the sum bit. The maximum rate of addition per second, when four 1-bit full adders are cascaded is _______ $\times 10^{6} / s e c .$

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Solution

Maximum rate of addition = $\frac{1}{100 n s} = 10^{7} / s e c = 10 \times 10^{6} / s e c$

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1-bit full-adder takes 20 ns to generate carry-out bit and 40 ns for the sum bit. The maximum rate of addition per second, when four 1-bit full adders are cascaded is _______ ×106/sec.

Maximum rate of addition = 1100ns=107/sec=10×106/sec

1-bit full-adder takes 20 ns to generate carry-out bit and 40 ns for the sum bit. The maximum rate of addition per second, when four 1-bit full adders are cascaded is _______ $\times 10^{6} / s e c .$

Maximum rate of addition = $\frac{1}{100 n s} = 10^{7} / s e c = 10 \times 10^{6} / s e c$