A J$-$K flip$-$flop has a condition of J $=1,$ K $=0,$ Q $=0,$ and both PRESET and CLEAR are active $($for IC $7476,$ it is logic $0).$ If a $100-$HZ clock pulse is applied to the CLK$,$ the output Q$+$ is

$$

$($a$)0$

$($b$)1$

$($c$)100$ HZ$$

$($d$)50$ HZ$$

$($e$)$ unpredictable