A computer is important because:
-It acts as a faster and alternative way of working desired tasks like word processing, gaming and internet advantages
-It also is a more advanced product that could be easier to deal with except with major computers(e.g. Supercomputers, Mainframe, ETC.)
-It also for learning, creating, and making fun and enjoyable lessons for all ages
-For detailed recreation
-For easier "stacking" of huge works and can be organized, controlled and many more.