ISBN : 978-81-963532-2-3 (E-Book) AccordingtoBoehm,everylineofsourcetextshouldbecalculatedasoneLOCirrespectiveof the actual number of instructions on that line. Thus, if a single instruction spans several lines (saynlines),itisconsideredtobenLOC.Thevaluesofa,a,b,bfordifferentcategoriesof 1 2 1 2 products (i.e. organic, semidetached, and embedded) as given by Boehm [1981] are summarizedbelow. He derived the above expressions by examining historical data collected from a largenumberof actual projects. Estimationofdevelopmenteffort For the three classes of software products, the formulas for estimating the effort based on thecodesizeareshown below: 1.05 Organic:Effort=2.4(KLOC) PM 1.12 Semi-detached:Effort=3.0(KLOC) PM 1.20 Embedded:Effort=3.6(KLOC) PM Estimationofdevelopmenttime Forthethreeclassesofsoftwareproducts,theformulasforestimatingthedevelopmenttimebasedon the effort are given below: 0.38 Organic:Tdev=2.5(Effort) Months 0.35 164 Software Engineering Keerthana P, Manasa KN, Ganga D Bengal
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