Question $6$

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The output waveform Q shown in the figure below represents:

Note that the initial value of the output is zero.

Select one:

a$.$ Active high input latch $($Input $1=S$; Input$2=$ R$)$

b$.$ Active high input latch $($Input $1=R$; Input$2=$S$)$

c$.$ Active low input latch $($Input $1=S^{\text{'}}$; Input$2=R^{\text{'}})$

d$.$ Active low input latch $($Input $1=$ R$\text{'}$; Input$2=S^{\text{'}})$