Digital Circuits Triggering Flip Flops Online Exam Quiz
Digital Circuits Triggering Flip Flops GK Quiz. Question and Answers related to Digital Circuits Triggering Flip Flops. MCQ (Multiple Choice Questions with answers about Digital Circuits Triggering Flip Flops
How many stable states combinational circuits have?
Options
A : 3
B : 4
C : 2
D : 5
A J-K flip-flop with J = 1 and K = 1 has a 20 kHz clock input. The Q output is _____________
Options
A : Constantly LOW
B : Constantly HIGH
C : A 20 kHz square wave
D : A 10 kHz square wave
In a J-K flip-flop, if J=K the resulting flip-flop is referred to as _____________
Options
A : D flip-flop
B : S-R flip-flop
C : T flip-flop
D : S-K flip-flop
In J-K flip-flop, the function K=J is used to realize _____________
Options
A : D flip-flop
B : S-R flip-flop
C : T flip-flop
D : S-K flip-flop
The S-R latch composed of NAND gates is called an active low circuit because _____________
Options
A : It is only activated by a positive level trigger
B : It is only activated by a negative level trigger
C : It is only activated by either a positive or negative level trigger
D : It is only activated by sinusoidal trigger
What does the triangle on the clock input of a J-K flip-flop mean?
Options
A : Level enabled
B : Edge triggered
C : Both Level enabled & Edge triggered
D : Level triggered
What does the circle on the clock input of a J-K flip-flop mean?
Options
A : Level enabled
B : Positive edge triggered
C : negative edge triggered
D : Level triggered
What does the direct line on the clock input of a J-K flip-flop mean?
Options
A : Level enabled
B : Positive edge triggered
C : negative edge triggered
D : Level triggered
What does the half circle on the clock input of a J-K flip-flop mean?
Options
A : Level enabled
B : Positive edge triggered
C : negative edge triggered
D : Level triggered
The flip-flop is only activated by _____________
Options
A : Positive edge trigger
B : Negative edge trigger
C : Either positive or Negative edge trigger
D : Sinusoidal trigger
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