hi,

b.sc in computer science is three years duration course.

you may work in any of the work position after completing b.sc in computer science:

web developer

graphics designer

office executive

probationary officer

office administrator

you must have soft skills like good typing skill, ms office, ms excel knowledge to secure a official job. to become  web developer you have to learn html,csee, java script, angular js like programming and web language.

you may apply for graduate level job at government sectors or private sectors as well.