Question $2$:

A course described by the course$\_$code, course$\_$title, credit$\_$Hrs may or may not have many pre$-$requisites. A course may or may not be a pre$-$requisite of many courses. Acourse has many course$-$sections. A course$-$section is described as sectionld$,$ max$\_$enrollment, A section is always identified by the COURSE entity and the sectionID$.$ Draw an ER diagram. $($edited$)$