MCQ Topic Outline included in ECE Board Exam Syllabi . A. 401. A flip flop is a _____ circuit. In a J-K flip-flop, toggle means change the output to the opposite state. High. Normal. Reason (R): A basic latch is made up of cross coupled inverters. Assertion (A): In general, asynchronous circuits are considerably faster than synchronous circuits. Block diagram Flip Flop. A. C. Basic logic gates. For J-K flip-flop, the output is clearly defined for all combinations of two inputs. For S-R flip-flop output is not defined when S = R = 1. A. The output of a J-K flip-flop with asynchronous preset and clear inputs if ‘1 ’. In this case, we have to operate motors sequentially. Thus, A J-K flip-flop can be implemented using D flip- flop connected such that. Sequential circuit is a combination of a combinational circuit and a memory elements connected in feedback path. The pulse width of the strobe is 50 nano-seconds. When J = 1, K = 1 and the clock, next state will be complement of the present state. A directory of Objective Type Questions covering all the Computer Science subjects. 5. C.NOR. Which of the following gates give output 1, if and only if at least one input is 1? Thus, statements 3 and 5 are only correct. The output can be changed to ‘0’ with which one of the following conditions? Extremely High. Digital logic design MCQs has 700 multiple choice questions. Assertion (A): A latch is a memory device with the capability of storing one binary digit of information. Frequency of operation must be less than For which of the following flip-flops, the output is clearly defined for all combinations of two inputs? B. C. If A =1 and B = 0 then Y = 0. 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 … A.OR. 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. Operation of combinational gates over the inputs B. the past output signals since the output signals are fed back to the input side. Sequential circuit is a combination of a combinational circuit and a memory elements connected in feedback path. In a DC Circuit, Inductive reactance would be_________ Equal As in AC Circuits. The questions asked in this NET practice paper are from various previous year papers. In a sequential circuits, the output signals are fed back to the input side. 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 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. 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. Maximum time taken for all flip-flops to stabilize is (75 ns x 8) + 50 ns = 650 ns. Hence, statement-5 is correct. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Consider the following statements: This contains 10 Multiple Choice Questions for GATE Sequential Logic Circuits - 1 (mcq) to study with solutions a complete question bank. Hence statement-2 is not correct. Discuss. Multiple choice Questions Digital Logic Design 1. 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 A digital system consists of _____ types of circuit. 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 and answers on Combinational Logics quiz answers PDF 1 to learn online digital logic design certificate course. Flip flop is a sequential circuit which generally samples its inputs and changes its outputs only … 8 bit B. A directory of Objective Type Questions covering all the Computer Science subjects. This type of circuits uses previous input, output, clock and a memory element. D. Complex logic gates. • 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. 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. A D flip-flop has only one input. This GATE exam includes questions from previous year GATE papers. D. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. 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. Acceptance of n-different inputs C. Generation of 'm' different outputs as per the required level 1. Thus, both assertion and reason are true but reason is not the correct explanation of assertion. • 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. 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 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. The most popular example of the sequential circuit is the finite state machine. 4 bits C. 2 bits D. 1 bits 2. This mock test of Sequential Logic Circuits - 1 for GATE helps you for every GATE entrance exam. A 100-volt source is supplying a parallel RC circuit having a total impedance of 35.35 Ω. In case of Short Circuit,_______Current will flow in the Circuit. (A) 2 (B) 3 (C) 4 (D) 5 Answer A. MCQ No - 2. The frequency of the input signal which can be used for proper operation of the counter is approximately equal to. By continuing, I agree that I am at least 13 years old and have read and agree to the. Very Low. 1. … 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. Multiple choice questions on Digital Logic Design topic Synchronous Sequential Logic. 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. What J-K input condition will always set ‘Q+ upon the occurrence of the active clock transition ? There are total 3 motors to be controlled in a sequence. 1. students definitely take this Sequential Logic Circuits - 1 exercise for a better result in the exam. • Statement-3 is correct which is the definitioi of a combinational circuit. 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. among the following are the sequential circuits entering into the phenomenon of lock out condition? GATE We have also provided number of questions asked since 2007 and average weightage for each subject. Sequential circuits are always faster than combination circuits. How many bits must each word have in one-to-four line de-multiplexer to be implemented using a memory? Questions from Previous year GATE question papers, UGC NET Previous year questions and practice sets. Hence statement - 1 is not correct. The Following Section consists Multiple Choice Questions on Sequential Logic Circuits. 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. Attempt a small test to analyze your preparation level. Infinite. If A =1 and B = 1 then Y = 0. Explanation: In sequential circuits, the output signals are fed back to the input side. >. 4. Practice test for UGC NET Computer Science Paper. Get to the point GATE (Graduate Aptitude Test in Engineering) Electronics questions for your exams. a. Synchronous b. Asynchronous c. Both d. None of the above View Answer / Hide Answer The solved questions answers in this Sequential Logic Circuits - 1 quiz give you a good mix of easy questions and tough questions. Sequential Circuits. This set of Digital Electronics/Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Registers”. You can find other Sequential Logic Circuits - 1 extra questions, When J = 1 and K = 0, output (Q+) is always set upon the occurrence of the active clock transition. A basic latch is made up of cross coupled inverters as shown below. 4. Which sequential circuits generate the feedback path due to the cross-coupled connection from output of one gate to the input of another gate? 6) Which is the correct sequential order of operational steps executed in the combinational logic circuits? This is the Multiple Choice Questions Part 7 of the Series in Computer Fundamentals as one of the Electronics Engineering topic. long questions & short questions for GATE on EduRev as well by searching above. 3. For an XOR gate having A,B as inputs and Y as output mark the incorrect entry . 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. A directory of Objective Type Questions covering all the Computer Science subjects. 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. Quiz Description:. But sequential circuit has memory so output can vary based on input. This set of Digital Electronics/Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Flip Flops – 1”. MCQ No - 1. Thus, option (d) is correct. Thus, statement-4 is no correct. Multiple choice questions on Digital Logic Design topic Asynchronous Sequential Logic. a. Bush circuits b. Bushless circuits c. Locked circuits d. Unlocked circuits. 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. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. 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. 2. 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. This contains 10 Multiple Choice Questions for GATE Sequential Logic Circuits - 1 (mcq) to study with solutions a complete question bank. Synchronous Sequential Logic Circuit is the one in which the output is … Which of the statement given above are correct? • in an asynchronous circuit, events are allowed to occur without any synchronisation In such a case, the system become: unstable which results in difficulties. B.AND. Truth table for J-K flip-flop is shown below. Choose the letter of the best answer in each questions. Description This mock test of Sequential Logic Circuits - 1 for GATE helps you for every GATE entrance exam. Take the Quiz and improve your overall Engineering. Show … … Digital Circuits-Sequential Circuits: Questions 8-12 of 40. Sequential Circuits. B. Combinational logic circuits. MCQs of Sequential Circuits. In a combinational circuit, for a change in the input, the output appears immediately. Zero. Sequential logic circuits. Next . • in a combinational circuit, for a change if the input, the output appears immediately except for the propagation delay througt circuit gates. If A =0 and B = 1 then Y = 1. Latches constructed with NOR and NAND gates tend to remain in the latched condition due to which configuration feature? 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