COCOMO MODEL:The COCOMO (Constructive Cost Estimation Model) is proposed by DR. Berry Boehm in 1981 and that's why it is also known as COCOMO'81. It is a method for evaluating the cost of software package. According to him software cost estimation should be done through three stages: COCOMO models depend upon the two main equations: Development Effort : MM = a * KDSI b Which is based on MM - man-month / person month / staff-month is one month of effort by one person. Note: In COCOMO'81, there are 152 hours per Person month. According to organization this values may differ from the standard by 10% to 20%. Efforts and Development Time (TDEV) : TDEV = 2.5 * MM c Note: The coefficients a, b and c depend on the mode of the development. DEVELOPMENT MODES: There are three modes of development: Organic Mode: Relatively Small, Simple Software projects. Small teams with good applicati...
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