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11. The ring counter is analogous to
Toggle switch
Latch
Stepping switch
J-K flip-flop
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12. In a digital counter circuit feedback loop is introduced to
Improve distortion
Improve stability
Reduce the number of input pulses to reset the counter
Asynchronous input and output pulses
13. A J-K lip-lop has its J-input connected to logic level 1 and its input to the Q output pulse is fed to its clock input the flip-flop will now
Change its state at each clock pulse
Go to state 1 and stay there
Go to state 0 and stay there
Retain its present state
14. Which of the following conditions must be met to avoid race around problem ?
Δ t < tp < T
T > Δt > tp
2 tp < Δt < T
None of these
15. With the use of an electronic counter six capsules are to be filled in bottles automatically. In such a counter what will be the number of flip-flops required ?
3
12
6
8
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