(a) Provide a block diagram and a function table for the D-type flip-flop with falling edge triggered clock and asynchronous preset and clear inputs. Both asynchronous inputs are active high.

Problem Statement: You design a circuit of a decade counter that will count from 0-9 only. You will only be using the following: (a) Button – only 1 button will be used to trigger the counting. (b) Flip flop IC to used as counting circuit with 4 - BITS binary OUTPUT. (c) IC's for Decoding the Binary OUTPUT of Flip-flops to Decimal Output (d) 7- Segment Display to display the OUTPUT from 0-9. Block Diagram: 4 Bit Binary Flip-Flop 7-Segment Display Button Decoder Circuits Circuits

The figure below shows a four-bit binary ripple counter that is initially in the 0000 state beforethe clock input is applied to the counter. Clock pulses are applied to the counter starting at sometime t1 and then removed some time later at another time t2. The counter is observed to read 0011.How many negative-going clock transitions have occurred during the time the clock was active atthe counter input? Give the three lowest possible answers. Please show your process.

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

The waveforms in Figure 08 are applied to the 4-bit parity logic. Determine the output wave-form in proper relation to the inputs. For how many bit times does even parity occur, and how is it indicated? The timing diagram includes eight bit times. Q.21 Bit time Ao A1 A2 A3 FIGURE 08

9. Analysis of Synchronous Counters, in the following figure, write the logic equation for each input of each flip-flop. Determine the next state for state 010,011,100,111 as Q2Q1Q0 sequence. FF0 FFI FF2 Ko K, K2 CLK

d) Draw the schematics of 4-bit synchronous and asynchronous MOD-8 counters and comment on their pros and cons. e) Calculate the noise margin for a logic gate with the following logic levels: VIL = 1.1 V, VIH = 3.2 V, VOL = 0.6 V, VOH = 4.0 V.

Problem 5 For the logic circuits shown below: determine the output F, write the true table, and draw the output F in proper relation to the given inputs with a timing diagram. a) B B F F b) B B F

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 - output

The numbers from 0-9 and a no characters is the Basic 1 digit seven segment display * .can show False True In a (CA) method of 7 segments, the anodes of all the LED segments are * "connected to the logic "O False True Some times may run out of pins on your Arduino board and need to not extend it * .with shift registers True False