Digital Circuits Entrance Exams Online Exam Quiz
Digital Circuits Entrance Exams GK Quiz. Question and Answers related to Digital Circuits Entrance Exams. MCQ (Multiple Choice Questions with answers about Digital Circuits Entrance Exams
For realisation of SR flip-flop from JK flip-flop, if S=1, R=0 & present state is 0 then next state will be ___________
Options
A : 1
B : 0
C : Don’t care
D : Toggle
For D flip-flop to JK flip-flop, the characteristics equation is given by ___________
Options
A : D=JQ(p)’+Q(p)K’
B : D=JQ(p)’+KQ(p)’
C : D=JQ(p)+Q(p)K’
D : D=J’Q(p)+Q(p)K
For realisation of JK flip-flop from SR flip-flop, the input J and K will be given as ___________
Options
A : External inputs to S and R
B : Internal inputs to S and R
C : External inputs to combinational circuit
D : Internal inputs to combinational circuit
The K-map simplification for realisation of SR flip-flop from JK flip-flop is ___________
Options
A : J=1, K=0
B : J=R, K=S
C : J=S, K=R
D : J=0, K=1
For realisation of SR flip-flop from JK flip-flop, if S=1, R=0 & present state is 0 then the excitation input will be ___________
Options
A : J=1, K=1
B : J=X, K=1
C : J=1, K=X
D : J=0, K=0
To realise one flip-flop using another flip-flop along with a combinational circuit, known as ____________
Options
A : PREVIOUS state decoder
B : NEXT state decoder
C : MIDDLE state decoder
D : PRESENT state decoder
For realisation of D flip-flop from SR flip-flop, the external input is given through ___________
Options
A : S
B : R
C : D
D : Both S and R
For realisation of SR flip-flop from JK flip-flop, the excitation input will be obtained from ___________
Options
A : S and R
B : R input
C : J and K input
D : D input
For realisation of JK flip-flop from SR flip-flop, if J=0 & K=0 then the input is ___________
Options
A : S=0, R=0
B : S=0, R=X
C : S=X, R=0
D : S=X, R=X
For realisation of JK flip-flop from SR flip-flop, if J=1, K=0 & present state is 0(i.e. Q(n)=0) then excitation input will be ___________
Options
A : S=0, R=1
B : S=X, R=0
C : S=1, R=0
D : S=1, R=1
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