For the state diagram shown below. what is the Boolean expression of the flip-flop inputs if you assume that the circuit is built using T flip-flops. (Assume that the binary code is assigned in an ascending order for the states starting from state A), X is the external input.
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Q: b) Why can't we construct a T flip flop using the SR flip flop? Explain with proper reasoning.
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Q: In/Out 1/0 00 01 1/0 0/0 0/0 0/0 11 1/1 10 1/1
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Q: Please answer the following excercise. Would be much appreciated.
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- (a) Construct the state table and determine the state equation of this circuit. (b) Consider the following three different approaches of implementing the sequential logic circuit Sketch the logic diagram of the circuit for each case (i) Use a negative-edge triggered D flip-flop and some primitive gates (i) Use a positive-edge triggered JK flip-flop and some primitive gates (ii) Use a positive-edge triggered T flip-flop and a 4x1 multiplexerDesign a sequential detector that detects the code 1011 using T flip flops and any other gates. Show all steps of sequential logic desig. Then apply to circuit maker to prove the results.Design a Up Down Counter by using JK flip flop and verify the output of your designed circuit onany random input. Provide the following information as well:1. State table2. State diagram3. State equations4. Complete circuit diagram
- 5. JK flip-flops are often used to build counters. The JK flip-flop will toggle the original output value when triggered by the clock signal if both the J,K inputs are connected with a constant "high"(logic 1). All the JK flip-flops in Figure 2 are negative edge triggered. All the initial values of Q2Q1Q0 are 0. Qo (LSB) (MSB) Input K K Logic 1 Input Q2 000 Figure 2. Counter (a) Sketch the output waveforms forQ2 Q1 Q0. Write down the output binary value (Q2Q1Q0: such as "000", "001") for each clock period on the figure. (b) Describe the function of the counter (e.g. binary down counter counting from 7 to 0).Write the next-state equations for the flip-flops and the output equation. (b) Construct the transition and output tables. (c) Construct the transition graph. (d) Give a one-sentence description of when the circuit produces an output of 1. Q2 D2 Q1 T1 CLK Figure 4Question 3 A sequential logic circuit with two D flip-flops, two inputs X and Y, and one output Z is specified by the following Boolean equations: D₁=x'y+xq₁ Do=xq₁+yqo Z-qo a. Draw the logic diagram of the circuit. b. Derive the state table and state diagram.
- 1.) A storage register made up of six D flip-flops is storing a binary word. The flip-flop status are: A = set, B = set, C = reset, D = set, E = reset, and F = set. The A flip-flop is the LSB. The decimal equivalent of the register content is 2.) D flip-flops are most frequently used inConstruct a 4-bit Johnson counter using J-K flip-flops. (See Figure 12-12 for a Johnson counter.) What sequence of states does the counter go through if it is started in state 0000? State 0110?Flip-flops are basic memory element used in sequential circuits. Flip-flop has two stable states – logic 0 or logic 1. A flip-flop will either be in one of the two stable states after application of the input signals; it will remain to be in that state even if the inputs are removed. Flip-flops are also known as the latch or toggle.(a) (i) What is the difference between D flip-flop and JK flip-flop. (ii) How will you convert a D flip-flop to J K flip-flop? (b) Realize the following function of three variables with 8:1 MUX. F (A,B,C) = ∑(0.1,3,4,7) (c) (i)kindly demonstrate, the difference between the output waveform of the output Q of D flip-flop and the Q of clocked R S flip-flop. AP(4marks)3(ii) How will you modify an asynchronous R S flip-flop so that when both the inputs R and S are 1, the flip-flop is set?
- A combinational logic circuit that compares between two 2-bit numbers A (A1 A0) and B(B1 B0) is designed. Output F is high when ? > ? and low when ? < ?. 1) Are there any undefined outputs? If there are any undefined outputs what are the inputs?1. For the sequential circuit shown in Figure 1, write the state equation, preparethe state table, and draw the state diagram. Inputs are X and Y, and the output is state A. -Figure 1. A sequential circuit having a positive edge-triggered D flip-flop as its memory element.Analyze the following sequential circuit: 1) What type of state machine is this circuit and why? 2) Write equations for flip-flop inputs and output (Y). 3) Derive the next-state equation for each flip-flop from its input equations. 4) Derive the State table. X A' B' LA DA D. A B