- Computer Science Engineering (CSE)
- Digital Electronics and Logic Design
- The look-ahead carry method suffers from...

Q. |
## The look-ahead carry method suffers from propagation delays. |

A. | true |

B. | false |

C. | none of the above |

D. | can not predict |

Answer» B. false |

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Digital Electronics and Logic Design

- The carry propagation can be expressed as .
- The digital logic family which has the lowest propagation delay time is
- The greater the propagation delay, the
- Which of the following logic families has the shortest propagation delay?
- he digital logic family which has the lowest propagation delay time is
- What is the maximum counting speed of a 4-bit binary counter which is composed of flip-flops with a propagation delay of 25 ns ?
- occurs when the same clock signal arrives at different times at different clock inputs due to propagation delay
- occurs when the same clock signal arrives at different times at different clock inputs due to propagation delay.
- In which of the following adder circuits, the carry look ripple delay is eliminated ?
- A full-adder has a Cin = 0. What are the sum and the carry (Cout) when A = 1 and B = 1?

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