... database software is an example of this.Embedded mode: Software projects that must be developed within a set of tight hardware, software, and operational constraints. For example, flight control software ... of computers, software cost was a small proportion of the cost for complete computerbased system. An error in estimation of software didn't have a major impact. But, Today software is the ... Empirical Estimation models. According to Decomposition techniques the software project is broken into major functions and software engineering activities (like testing, coding etc.) and then the cost...