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).
obligation. 1. 'obligation' and 'duty'. If you say that someone has an obligation to do something or a duty to do something, you mean that they ought to do it, because it is their responsibility. When obligation and duty are used like this, they have the same meaning. When teachers assign homework, students usually feel an obligation to do it.