1
GATE ECE 2010
MCQ (Single Correct Answer)
+1
-0.3
Assuming that all flip-flops are in reset condition initially, the count sequence observed at QA in the circuit shown is

GATE ECE 2010 Digital Circuits - Sequential Circuits Question 59 English
A
0010111...
B
0001011...
C
0101111...
D
0110100...
2
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The given figure shows a ripple counter using positive edge triggered flip-flops. If the present state of counter is Q2 Q1 Q0 = 011, then its next state ( Q2 Q1 Q0 ) will be GATE ECE 2005 Digital Circuits - Sequential Circuits Question 60 English
A
010
B
100
C
111
D
101
3
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The present output Qn of an edge triggered JK flip-flop is logic 0. If J=1, then Qn+1
A
can not be determined
B
will be logic 0
C
will be logic 1
D
will race around
4
GATE ECE 2004
MCQ (Single Correct Answer)
+1
-0.3
A master slave flip-flop has the characteristic that
A
change in the input immediately reflected in the output
B
change in the output occurs when the state of the master is affected
C
change in the output occurs when the state of the slave is affected
D
both the master and the slave states are affected at the same time
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