Design a 7 asynchronous countdown from 16 to 9. (Use JK or T type flip-flops

asynchronous counters differs from a synchronous counter in *     (a) the number of state in sequence     (b) the method of clocking     (c) the type of flip-flops used     (d) the value of the modulus

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1. If a j-k flip flop has the j and k inputs connected to 5volts while being clocked it will: A. Toggle B. Enter the race condition C. Be set D. Be reset 2. What is the minimum number of J-K flip-flops needed to construct a divide by eight circuit? A.4 B.3 C.8 D.2

In a J - K flip-flip we have J = Q and K = 1. Assuming the flip flop was initially cleared and then clocked for 6 puleses, the sequence at the Q output will be (a) 010000 (b) 011001 (c) 010010 (d) 010101

Draw a Moore-type state diagram and design a synchronous sequential circuit using D flip flops for a 1-input/1-output "sequence detector" for the sequence 11 (be sure to recognize overlapping sequences). Draw the final circuit. Draw a Moore-type state diagram and design a synchronous sequential circuit using D flip flops for a 1-input/1-output "sequence detector" for the sequence 100 (be sure to recognize overlapping sequences). Draw the final circuit. Draw a Moore-type state diagram and design a synchronous sequential circuit using D flip flops for a 1-input/1-output "sequence detector" for the sequence 110 (be sure to recognize overlapping sequences). Draw the final circuit. Draw a Moore-type state diagram and design a synchronous sequential circuit using D flip flops for a 1-input/1-output "sequence detector" for the sequence 000 (be sure to recognize overlapping sequences). Draw the final circuit. Draw a Moore-type state diagram and design a synchronous sequential circuit using D…

Figure 2.1 shows the Asynchronous J-K flip flop and it truth table. Draw an output waveform, Q by drag and drop the correct waveform. Q is initially LOW. Clock Preset Clear Input J Input K Output J CLK K PRESET a Q CLEAR PRESET 1 0 CLEAR 1 1 0 0 Figure 2.1 FF response Clocked operation" Q1 (regardless of CLK) Q=0 (regardless of CLK) Not used 0 *Q will respond to J, K, and CLK

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Consider the following circuit with 2 inputs (X and Y) and 2 J-K flip flops.· When X=0, the output (Q1Q0) preserves its value regardless of the value of Y.· When X=1 and Y=1, the output (Q1Q0) counts up by one (00-01-10-11-00 …).· When X=1 and Y=0, the output (Q1Q0) counts down by one (00-11-10-01-00 …).   a) Derive the state transition, output table.b) Derive flip-flop excitations (logic expressions).c) Draw the circuit implementation using only 2-input NAND gates to drive the inputs J0and K0, and only multiplexers (MUX) to drive the inputs J1 and K1.