1
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
A switch-tail ring counter is made by using a single D flip-flop. The resulting circuit is a
A
SR flip-flop
B
JK flip-flop
C
D flip-flop
D
T flip-flop
2
GATE ECE 1995
MCQ (Single Correct Answer)
+1
-0.3
An R-S latch is
A
Combinational circuit
B
Synchronous sequential circuit.
C
One bit memory element
D
One clock delay element.
3
GATE ECE 1994
Fill in the Blanks
+1
-0
Synchronous counters are _____ than the ripple counters.
4
GATE ECE 1993
Numerical
+1
-0
A pulse train with a frequency of 1 MHz is counted using a modulo-1024 ripple-counter built with J-K flip flops. For proper operation of the counter, the maximum permissible propagation delay per flip flop stage is ______ n sec.
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