1
GATE ECE 2014 Set 1
Numerical
+1
-0
Five JK flip - flops are cascaded to form circuit shown in figure. Clock pulses at a frequency of 1 MHz are applied as shown. The frequency (in kHz) of the waveform at Q3 is ______. GATE ECE 2014 Set 1 Digital Circuits - Sequential Circuits Question 53 English
Your input ____
2
GATE ECE 2012
MCQ (Single Correct Answer)
+1
-0.3
Consider the given circuit. In this circuit, the race around

GATE ECE 2012 Digital Circuits - Sequential Circuits Question 50 English
A
does not occur
B
occurs when CLK = 0
C
occurs when CLK = 1 and A = B = 1
D
occurs when CLK = 1 and A = B = 0
3
GATE ECE 2011
MCQ (Single Correct Answer)
+1
-0.3
When the output Y in the circuit below is ‘1’, it implies that data has

GATE ECE 2011 Digital Circuits - Sequential Circuits Question 51 English
A
changed from 0 to 1
B
changed from 1 to 0
C
changed in either direction
D
not changed
4
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 54 English
A
0010111...
B
0001011...
C
0101111...
D
0110100...
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