【单选题】A counter consisting of a flip-flop requires the recording of 100 count pulses, requiring at least ________ flip-flops. Choose A,B or C. Each flip-flop can output one binary number, if we want to get ...
【简答题】Direction: Complete the following sentence with a proper word from your textbook on P. 118. Change the form if necessary. We ought to make sure that everyone gets equal of the food. (n.)
【简答题】Henry's job was to examine people who crossed the frontier (边境) to make sure that they were not smuggling (走私) anything into the country. Every evening except at weekends, he would see a(n) ___ coming...