For the singlepulse and singlepulse$2$ we have used these two flip$-$flops in the image.What is the role of these two$-$flip flops?Note: See page $6$ in EEE$\_4\_$DLD$-$Lab$4.$docx or page $14$ in EEE$\_4\_$DLD$-$Lab$3.$docx lab guides. Question $23$ Select one:Reduce noise on the input signalDe$-$bounce a mechanical pushbutton used as inputSynchronise the input signalTo deal with PB$1$ and PB$2$ inputs in Lab $4$