Homework Answers
Answer:
- if R = 0 and S = 0, this circuit will remember the previous value(or state) Q and Q complement. Because the output hold the previous data when the set and reset inputs both are low.
- If R = 1 and S = 1, both NOR gates produce the FALSE outputs. That is invalid stated. because it violates the rule of flipflop which is, output should compliment each other.
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Question 5 (1 point) SR latch is one of the simplest sequential circuits, which is composed...
SR Latch - Which of the following is true? QUESTION 11 An SR Latch is shown...
SR Latch - Which of the following is true?
QUESTION 11 An SR Latch is shown below. Which of the following is true? The Q output toggles if one of the inputs is held high. The inputs must be complements of each other. The Q output follows the S input. Only one of the inputs (S and R) can be high at a time.
a) Draw an SR-latch using only NAND gates. Label each input and output, and label all...
a) Draw an SR-latch using only NAND gates. Label each input and output, and label all wires with a name if the wire does not connect to any input or output b) Describe the behavior of the latch when S and R are both 0. What is the output of each gate? c) Assuming that the latch starts with S = R = 0, write down the sequence of what happens when R = 1. Discuss changes at each point...
1-3(0). Figure 1 the stable state shown in FIGURE 11-3 Cengage Learning 2014 0 0 0 RSO FIGURE 11-4 Cengage Learning 201...
1-3(0). Figure 1 the stable state shown in FIGURE 11-3 Cengage Learning 2014 0 0 0 RSO FIGURE 11-4 Cengage Learning 2014 0 0 Study Section 11.2, Set-Reset Latch. (a) Build an S-R latch in SimUaid, using NOR gates as in Figure 11-3. Place switches on the inputs and probes on the outputs. Experiment with it. Describe in words the behavior of your S-R latch (b) For Figure 11-4(b), what values would P and Q assume if S = R...
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop....
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop. b) (5 marks) A gated SR latch has the following schematic diagram CLK a) Draw a timing diagram showing the Q and Q outputs for the following sequence of inputs: CLK R Assume that the initial state of the outputs is Q 0 and Q 1 c) (5 marks) Draw a schematic diagram for a rising edge-triggered master-slave D flip- flop built using two...
QUESTION 7 A master slave flip flop behaves similarly to a clocked latch, except that the...
QUESTION 7 A master slave flip flop behaves similarly to a clocked latch, except that the latches output can change only near the rising edge of the clock True False QUESTION 8 Assuming zero setup and hold times, clocked latches and flip-flops produce the same outputs as long as the inputs do not change while the clock is asserted True False QUESTIONS An edge-triggered D flip-flop requires more internal gates than a similar device constructed from a J-K master-slave flip...
Answers are at the end of the chapter 1. If an S-R latch has a 1...
Answers are at the end of the chapter 1. If an S-R latch has a 1 on the S input and a 0 on the R input and then the S input goes to 0, the latch will be (a) set (b) reset (c) invalid (d) clear 2. The invalid state of an S-R latch occurs when (c) S 1,R-1 (d) S-0, R-O 3. For a gated D latch, the output always equals the D input (a) before the enable...
how slove 4-34, 4-35, 4-36??? I dont know that! please hlep me! 306 □ CHAPTER 4/SEQUENTIAL CIRCUITS OTABLE 4-16...
how slove 4-34, 4-35, 4-36??? I dont know that! please hlep me!
306 □ CHAPTER 4/SEQUENTIAL CIRCUITS OTABLE 4-16 State Table for Problem 4-33 Next State Input Output Present State 4-36 4-37 0 0 0 0 4-38 Design the circuit specified by Table 4-14 and use the sequence from Problen 4-31 (either yours or the one posted on the text website) to perform an automatic logic simulation-based verification of your design. 4 433. The state table for a sequential circuit...
A sequential circuit has one input (X), and two outputs (S and V). X represents a...
A sequential circuit has one input (X), and two outputs (S and V). X represents a 4-bit binary number N, which is input least significant bit first. S represents a 4-bit binary number equal to N+2, which is output least significant bit first. At the time the fourth input occurs, V=1 if N+2 is too large to be represented by 4 bits; otherwise V=0. The value of S should be the proper value, not a don’t care, in both cases....
1) Based on the sequential circuit and answer the following questions SOV a) Write equations for...
1) Based on the sequential circuit and answer the following questions SOV a) Write equations for J, K, T, and Z in terms of the input X and the current state given by flip flop outputs QA, QB b) Based on these equations and the properties of JK and Toggle FF's fill out the state table CURRENT NEVT STATE OUTPUT QA QB X- O X=1 X-OX=1 QAQB QAQB 0 0 STATE NEXT STATE OUTPUT c) Based on the State table...
·20) |19) 118) 117) 116) 115) Question 1.(20 points, I point each. Put answers into the...
·20) |19) 118) 117) 116) 115) Question 1.(20 points, I point each. Put answers into the above table) 13)一114) 2)- ) S-bit signed binary data can represent the decimal values from 0 to 256 2) 10111 is the two's complement representation of b. False a. True a. -23 b.-9 c.-7 d. +22 e.+7 3) 01110 is the two's complement representation of a.-13 b.-15 c.-9 d.+14 e.+18 a.A. b, B, c.A+B d, B c, (AB). a. Trueb. False a. True a....
SR Latch - Which of the following is true?
QUESTION 11 An SR Latch is shown below. Which of the following is true? The Q output toggles if one of the inputs is held high. The inputs must be complements of each other. The Q output follows the S input. Only one of the inputs (S and R) can be high at a time.
1-3(0). Figure 1 the stable state shown in FIGURE 11-3 Cengage Learning 2014 0 0 0 RSO FIGURE 11-4 Cengage Learning 2014 0 0 Study Section 11.2, Set-Reset Latch. (a) Build an S-R latch in SimUaid, using NOR gates as in Figure 11-3. Place switches on the inputs and probes on the outputs. Experiment with it. Describe in words the behavior of your S-R latch (b) For Figure 11-4(b), what values would P and Q assume if S = R...
a) (5 marks) Explain the difference between a latch, a gated latch and a flip flop. b) (5 marks) A gated SR latch has the following schematic diagram CLK a) Draw a timing diagram showing the Q and Q outputs for the following sequence of inputs: CLK R Assume that the initial state of the outputs is Q 0 and Q 1 c) (5 marks) Draw a schematic diagram for a rising edge-triggered master-slave D flip- flop built using two...
QUESTION 7 A master slave flip flop behaves similarly to a clocked latch, except that the latches output can change only near the rising edge of the clock True False QUESTION 8 Assuming zero setup and hold times, clocked latches and flip-flops produce the same outputs as long as the inputs do not change while the clock is asserted True False QUESTIONS An edge-triggered D flip-flop requires more internal gates than a similar device constructed from a J-K master-slave flip...
Answers are at the end of the chapter 1. If an S-R latch has a 1 on the S input and a 0 on the R input and then the S input goes to 0, the latch will be (a) set (b) reset (c) invalid (d) clear 2. The invalid state of an S-R latch occurs when (c) S 1,R-1 (d) S-0, R-O 3. For a gated D latch, the output always equals the D input (a) before the enable...
how slove 4-34, 4-35, 4-36??? I dont know that! please hlep me!
306 □ CHAPTER 4/SEQUENTIAL CIRCUITS OTABLE 4-16 State Table for Problem 4-33 Next State Input Output Present State 4-36 4-37 0 0 0 0 4-38 Design the circuit specified by Table 4-14 and use the sequence from Problen 4-31 (either yours or the one posted on the text website) to perform an automatic logic simulation-based verification of your design. 4 433. The state table for a sequential circuit...
1) Based on the sequential circuit and answer the following questions SOV a) Write equations for J, K, T, and Z in terms of the input X and the current state given by flip flop outputs QA, QB b) Based on these equations and the properties of JK and Toggle FF's fill out the state table CURRENT NEVT STATE OUTPUT QA QB X- O X=1 X-OX=1 QAQB QAQB 0 0 STATE NEXT STATE OUTPUT c) Based on the State table...
·20) |19) 118) 117) 116) 115) Question 1.(20 points, I point each. Put answers into the above table) 13)一114) 2)- ) S-bit signed binary data can represent the decimal values from 0 to 256 2) 10111 is the two's complement representation of b. False a. True a. -23 b.-9 c.-7 d. +22 e.+7 3) 01110 is the two's complement representation of a.-13 b.-15 c.-9 d.+14 e.+18 a.A. b, B, c.A+B d, B c, (AB). a. Trueb. False a. True a....
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