$3-$ Please inspect the given $16F877A$

assembly code and circuit.

I$-$ Inspect the below given code. What

this program does $(10p)?$

Note: Button is connected to RA$4,$ and Transistor base to RBO

II$-$ Explain each line of code after $(10$p$)$;

list $,p=16f877a$; list directive to define processor

#include $,$