Microcomputer using micro processors that are available are smaller in size. The CPU is usually contained in a single chip microcomputer. Microcomputer low storage capacity and mini computers and main frame computer slow rate of operation. Micro-computer video display units, printers and CD drives, hard disks as secondary storage devices are provided.
duty, responsibility, obligation (noun). the social force that binds you to the courses of action demanded by that force. we must instill a sense of duty in our children; every right implies a responsibility; every opportunity, an obligation; every possession, a duty- John D.Rockefeller Jr. obligation (noun).
An obligation is a duty. It's your obligation or responsibility to call your mom on Mother's Day. Sending flowers would be even better. When you are morally or legally bound to a particular commitment, it's your obligation to follow through on it. If you see a crime taking place, for example, it's your obligation to notify the police. If an elderly person comes onto a full bus, it's your obligation to give up your seat for him.