Consider a single CPU system with an active process. Explain what happens in the$$ following circumstances including any interrupts, system calls, etc.. and how they are handled$$ until a process is back to running again $(4\mathrm{.}5$ points$)$

$$The user uses their terminal to type $$kill $-9$ a$.$out$$ which sends a signal $($software$$ interrupt$)$ to process a$.$out which is currently running on another core.$$