$23).$Serial Load Shift Register. Destination, main function, input$/$output signals. On concrete register schema below explain the main working principle of serial register.

Serial$-$

data

D

FF$1$

CLK

CLR

D

FF$2$ CLK

CLR

D

FF$3$

CLK

CLR

$0$

Clear

Clock

Draw up a table in which indicate how output A$,$ B$,$ C$-$indicators depending on input signals.