Name: Switching and Automata Theory Spring 2022 Homework 4 ID: This exam contains 2 pages (including this cover page) and 5 questions. Total of points is 30. Submit your answer sheet in blackboard by 5/7(Sat), 11:59pm. 1. (5 points) What levels must be placed on S and R. to Set an S-R flip-flop? 1. 2. (5 points) What effect does the toggle operation of a J-K flip-flop have on the Qoutput? 2. 3. (10 points) Determine the Qoutput waveform if the inputs shown in following figure are applied to a gated S-R. latch that is initially RESET. S R Figure 1: EN
Switching and Automata TheoryHomework 4 - Page 2 of 2 4/30/2022 4. (5 points) What is the frequency of the fout waveform for the circuit in figure when an 8 kHz square wave input is applied to the clock input of flip-flop A? D QA fout Sin C 100 Flip-flop A Flip-flop B Flip-flop C Figure 2: 4. 5. (5 points) How can a ripple up-counter be converted to a down-counter? 5.
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