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- Convert the following logic gate circuit into a Boolean expression, writing Boolean sub-expressions next to each gate output in the diagram: C DD5. 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).What are the values of the inputs a, b, c, d, e, f and g for a Seven-Segment LED that displays the number 2? Assume active high logic. a) 1101101 b) 1010101 c) 1101110 d) None of the above e) All of the above
- please draw a logic diagram with following description Two D flip-flops (DFF1 and DFF0): DFF1 stores Q1 DFF0 stores Q0 Combinational logic for D flip-flop inputs (D1 and D0): D1 = Q1 & power D0 = power & (Q1 ^ sensor) Output signals (A, B, C , and D): A = ~(Q1 | Q0) B = ~Q1 & Q0 C = Q1 & ~Q0 D = Q1 & Q0Write 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 4Please provide Handwritten answer Question: You must only use DIL chips in your design! No logic gates! 1) 4-bit addition using an 4-bit full adder 74LS83.
- F4 Using two flip-flops and basic gates, construct the circuit of the given state diagram below. Provide the following: State Table, Flip-flop equations, Circuit Diagram. Follow correct label names: Q0, Q1 – prev/present states D0, D1 – D-FF names X – input Y - outputa) For the given logic circuit diagram write the program by using the gate level modeling. b) For the given truth table write the program by using the data flow Modelling. c) Write the test bench of the given logic circuit with all possibilities Y1 Y2 Y3 Y4 Y5 Y6 Y7 A2 A1 A0A- Figure 1 shows a 2-input TTL NAND gate. 1). Discuss in details the operation of the NAND circuit 2). Is this circuit saturated logic circuits non-saturated logic? 3). Discuss in bravely the function of DI. +Vec =5V R1 4 kN 13多0 iz R2 1.6 k2 R3 130 2 VB1 Output V82 igo Co R4 1.0 K Figure 1
- c) d) Explain the different between sequential circuit and combinational circuit. a) Identify input conditions necessary in order to set, reset and toggle the JK flip flops in Figure Q3d(i) and Q3d(ii). Clock QUESTION 4 J K Q व Figure Q3d(i) Clock S R Clock Convert the SR flip-flop in Figure Q4a to behave like JK flip-flop. ā Figure Q4a a J K Q ā Figure Q3d(ii)The input to a combinational logic circuit is 4-bit binary number (A, B, C, D). Design the circuit strictly using NAND gate with two outputs (Y1 and Y2) for the following conditions: Output Y1 is low when the input binary number is less than or equal to 7. Output Y2 is high when the input binary number is less than or equal to 7.Question: You must only use DIL chips in your design! No logic gates! 4) a BCD adder using 4-bit full adder 74LS83.