GATE Frequency of operation must be less than Block diagram Flip Flop. Which sequential circuits generate the feedback path due to the cross-coupled connection from output of one gate to the input of another gate? The memory elements are devices capable of storing binary information within them.The binary information stored in the memory elements at any given time defines the state of the sequential circuit. This type of circuits uses previous input, output, clock and a memory element. When J = 1 and K = 0, output (Q+) is always set upon the occurrence of the active clock transition. • in an asynchronous circuit, events are allowed to occur without any synchronisation In such a case, the system become: unstable which results in difficulties. Take the Quiz and improve your overall Engineering. A. a. Synchronous b. Asynchronous c. Both d. None of the above View Answer / Hide Answer The output can be changed to ‘0’ with which one of the following conditions? How many bits must each word have in one-to-four line de-multiplexer to be implemented using a memory? This set of Digital Electronics/Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Flip Flops – 1”. Combinational logics quiz questions and answers PDF, code conversion quiz, full adders in combinational logics quiz, multi level nor circuits quiz, design procedure in combinational logics quiz, half adders quizzes for master's degree in computer science. The solved questions answers in this Sequential Logic Circuits - 1 quiz give you a good mix of easy questions and tough questions. A flip flop is a _____ circuit. B.AND. For which of the following flip-flops, the output is clearly defined for all combinations of two inputs? By continuing, I agree that I am at least 13 years old and have read and agree to the. long questions & short questions for GATE on EduRev as well by searching above. Attempt a small test to analyze your preparation level. What J-K input condition will always set ‘Q+ upon the occurrence of the active clock transition ? • Combinational circuits are often faster than sequential circuits since the combinations circuits do not require memory whereas the sequential circuits need memory devices to perform their operations in sequence. Thus, statements 3 and 5 are only correct. There are basically, two types of Sequential Circuit, one is synchronous and the other is Asynchronous Sequential circuit. MCQ Topic Outline included in ECE Board Exam Syllabi . The Following Section consists Multiple Choice Questions on Sequential Logic Circuits. Flip flop is a sequential circuit which generally samples its inputs and changes its outputs only … 401. Digital logic design MCQs has 700 multiple choice questions. Sequential logic circuits. C. Basic logic gates. Questions from Previous year GATE question papers, UGC NET Previous year questions and practice sets. Maximum time taken for all flip-flops to stabilize is (75 ns x 8) + 50 ns = 650 ns. This GATE exam includes questions from previous year GATE papers. In this section of Digital Logic Design – Digital Electronics – Sequential Circuits,Flip Flops And Multi-vibrators MCQs (Multiple Choice Questions and Answers),We have tried to cover the below lists of topics.All these MCQs will help you prepare for the various Competitive Exams and University Level Exams. A digital system consists of _____ types of circuit. This set of Digital Electronics/Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Registers”. Get to the point GATE (Graduate Aptitude Test in Engineering) Electronics questions for your exams. Discuss. For S-R flip-flop output is not defined when S = R = 1. A J-K flip-flop toggles when, The output of S-R flip-flop when S = 1, R = 0 is, An eight stage ripple counter uses a flip-flop with propagation delay of 75 nano-seconds. A D flip-flop has only one input. 6) Which is the correct sequential order of operational steps executed in the combinational logic circuits? D. Both A and R are true and R is the correct explanation of A, Both A and R are true but R is not the correct explanation of A. A register is defined as _____ a) The group of latches for storing one bit of information b) The group of latches for storing n-bit of information c) The … 4. The frequency of the input signal which can be used for proper operation of the counter is approximately equal to. 2 Able to design sequential circuits for machine operation 3 Able to design Clocked flip flops 4 Makes use of timing and triggering circuits with sequential logics UNIT -IV Sl No. students definitely take this Sequential Logic Circuits - 1 exercise for a better result in the exam. But sequential circuit has memory so output can vary based on input. 1. 3. … MCQ in AC-DC circuits ; MCQ in Resistors ; MCQ in Inductors ; MCQ in Capacitors ; Continue Practice Exam Test Questions Part 9 of the Series. Multiple choice questions on Digital Logic Design topic Synchronous Sequential Logic. The logic circuits whose outputs at any instant of time depend only on the input signals present at that time are known as combinational circuits. A 100-volt source is supplying a parallel RC circuit having a total impedance of 35.35 Ω. This contains 10 Multiple Choice Questions for GATE Sequential Logic Circuits - 1 (mcq) to study with solutions a complete question bank. Sequential circuits are always faster than combination circuits. Digital Circuits-Sequential Circuits: Questions 8-12 of 40. A directory of Objective Type Questions covering all the Computer Science subjects. Normal. A directory of Objective Type Questions covering all the Computer Science subjects. Extremely High. By applying J = 1, K= 0 and using the clock, By applying J = 1, K = 1 and using the clock, By applying J = 0, K = 0 and using the clock. 8 bit B. 5. D. Complex logic gates. Show … >. This is the Multiple Choice Questions Part 7 of the Series in Computer Fundamentals as one of the Electronics Engineering topic. Reason (R): A basic latch is made up of cross coupled inverters. Infinite. The memory elements are devices capable of storing binary information within them.The binary information stored in the memory elements at any given time defines the state of the sequential circuit. 1. Latches constructed with NOR and NAND gates tend to remain in the latched condition due to which configuration feature? Hence statement - 1 is not correct. The Flip Flop used here is a Positive edge triggered D Flip Flop, which means that only at the "rising edge of the clock" flip flop will capture the input provided at D and accordingly give the output at Q.And at other times of the clock the output doesn't change. Quiz Description:. The next states of asynchronous circuits are also called, Memory elements in asynchronous circuits are, One of the properties of asynchronous circuits is, Memory elements in synchronous circuits are, Asynchronous sequential logic circuits usually perform operations in, In fundamental mode the circuit is assumed to be in, The SR latch consists of two cross coupled, The circuit removing series of pulses is called, The fourth step of making transition table is, Asynchronous Sequential Logic This mock test of Sequential Logic Circuits - 1 for GATE helps you for every GATE entrance exam. Digital Logic Design – Digital Electronics MCQs Set-12 Contain the randomly compiled Digital Electronics MCQs from various reference books and Questions papers for those who is preparing for the various Competitive Exams,Interviews and University Level Exams. • Statement-3 is correct which is the definitioi of a combinational circuit. Sequential circuit is a combination of a combinational circuit and a memory elements connected in feedback path. If A =1 and B = 1 then Y = 0. Choose the letter of the best answer in each questions. … The questions asked in this NET practice paper are from various previous year papers. High. C.NOR. The most popular example of the sequential circuit is the finite state machine. Truth table for J-K flip-flop is shown below. For J-K flip-flop, the output is clearly defined for all combinations of two inputs. Next . Multiple choice questions on Digital Logic Design topic Asynchronous Sequential Logic. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Multiple choice questions and answers on Combinational Logics quiz answers PDF 1 to learn online digital logic design certificate course. Sequential Logic Circuits - MCQs with answers Q1. You can find other Sequential Logic Circuits - 1 extra questions, Practice these MCQ questions and answers for preparation of various competitive and entrance exams. If A =0 and B = 1 then Y = 1. Acceptance of n-different inputs C. Generation of 'm' different outputs as per the required level Assertion (A): In general, asynchronous circuits are considerably faster than synchronous circuits. a. Bush circuits b. Bushless circuits c. Locked circuits d. Unlocked circuits. In a sequential circuits, the output signals are fed back to the input side. In this video, I have discussed important MCQs based on Sequential circuits which are very useful for your all upcoming examination like SSC IMD, NTRO, NIELIT, GATE, IES etc. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. Reason (R): In an asynchronous circuit, events can occur after one event is completed and there is no need to wait for a clock pulse. Thus, option (d) is correct. Zero. A directory of Objective Type Questions covering all the Computer Science subjects. Synchronous Sequential Logic Circuit is the one in which the output is … Operation of combinational gates over the inputs B. Consider the following statements: Aeronautical Engineering - AE 2018 GATE Paper with solution, Unknown Parameter problems in Tables in Data Interpretation, Salient features of scientific calculator, Civil Engineering (CE) : Mock Test 1 For GATE, Number Systems, Boolean Algebra And Sequential Logic Circuits - MCQ Test. Sequential Circuits. 4. When J = 1, K = 1 and the clock, next state will be complement of the present state. Thus, statement-4 is no correct. Name : Hazard Digital Electronics mcq Quiz Subject : Digital Electronics Topic : Hazard Questions: 20 Time Allowed: 10 min Important for : Computer Science, Information Technology, Electronics and Communication Engineering students, GATE, PSUs, IES ( Indian Engineering Services) and other job interviews. A. Explanation: In sequential circuits, the output signals are fed back to the input side. A.OR. (A) 2 (B) 3 (C) 4 (D) 5 Answer A. MCQ No - 2. Assertion (A): A latch is a memory device with the capability of storing one binary digit of information. 1. In a DC Circuit, Inductive reactance would be_________ Equal As in AC Circuits. Hence statement-2 is not correct. • in a combinational circuit, for a change if the input, the output appears immediately except for the propagation delay througt circuit gates. Which of the statement given above are correct? In a combinational circuit, for a change in the input, the output appears immediately. • In a sequential circuit, an output signal is e function of the present input signals and e sequence of the past input signals i.e. Thus, both assertion and reason are true but reason is not the correct explanation of assertion. MCQs of Sequential Circuits. In an asynchronous circuit there is no problem of stability. Hence, statement-5 is correct. In case of Short Circuit,_______Current will flow in the Circuit. A basic latch is made up of cross coupled inverters as shown below. In a J-K flip-flop, toggle means change the output to the opposite state. Thus, A J-K flip-flop can be implemented using D flip- flop connected such that. A latch is memory device with the capability of storing one binary digit of information because the latch output will remain set/reset until the trigger pulse is given to change the state. 2. 4 bits C. 2 bits D. 1 bits 2. Multiple choice Questions Digital Logic Design 1. Which of the following gates give output 1, if and only if at least one input is 1? A. There are total 3 motors to be controlled in a sequence. Description This mock test of Sequential Logic Circuits - 1 for GATE helps you for every GATE entrance exam. Practice test for UGC NET Computer Science Paper. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. We have also provided number of questions asked since 2007 and average weightage for each subject. B. Combinational logic circuits. In this case, we have to operate motors sequentially. The pulse width of the strobe is 50 nano-seconds. Sequential circuit is a combination of a combinational circuit and a memory elements connected in feedback path. MCQ No - 1. For an XOR gate having A,B as inputs and Y as output mark the incorrect entry . C. If A =1 and B = 0 then Y = 0. Sequential Circuits. Very Low. The above synchronous sequential circuit built using JK flip flop is initialized with Q 2 Q 1 Q 0 =000.THe state sequence for these circuit for next 3 clock cycle is (A) 001,010,011 (B) 111,110,101 among the following are the sequential circuits entering into the phenomenon of lock out condition? The output of a J-K flip-flop with asynchronous preset and clear inputs if ‘1 ’. This contains 10 Multiple Choice Questions for GATE Sequential Logic Circuits - 1 (mcq) to study with solutions a complete question bank. GATE 2019 EE syllabus contains Engineering mathematics, Electric Circuits and Fields, Signals and Systems, Electrical Machines, Power Systems, Control Systems, Electrical and Electronic Measurements, Analog and Digital Electronics, Power Electronics and Drives, General Aptitude. the past output signals since the output signals are fed back to the input side. B. 650 ns, clock and a memory elements connected in feedback path due to input... 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