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Probertġ6 Effort Computation The Basic COCOMO model computes effort as a function of program size. ProbertĪssuming LOC’s per FP for: Java = 53, (1 FP= 53 LOC) C++ = 64 KLOC = FP * LOC_per_FP / 1000 It means for the SpellChekcer Example: (Java) LOC=52.25*53= LOC or 2.76 KLOC SEG3300 A&B W2004 R.L. Relationship: LOC = Language Factor * FP where LOC (Lines of Code) FP (Function Points) SEG3300 A&B W2004 R.L. Probertġ2 Function Points(.) STEP 5: Sum the resulting numbers too obtain DI (degree of influence) STEP 6: TCF (Technical Complexity Factor) by given by the formula TCF= *DI STEP 6: Function Points are by given by the formula FP=UFP*TCF SEG3300 A&B W2004 R.L. Maintainability 3 DI =30 (Degree of Influence) SEG3300 A&B W2004 R.L. Reusability 3 11.Ğase of Installation 3 12.Ğase of Operation 5 13. Probertġ1 Example (.) Technical Complexity Factors:ġ. Reusability 11.Ğase of Installation 12.Ğase of Operation 13. Probertġ0 Function Points(.) Technical Complexity Factors:ġ. Probertĩ Function Points(.) STEP 3: Calculate the total UFP (Unadjusted Function Points) STEP 4: Calculate the total TCF (Technical Complexity Factor) by giving a value between 0 and 5 according to the importance of the following points: TCF= *DI SEG3300 A&B W2004 R.L. The value is given by a table: SEG3300 A&B W2004 R.L. ProbertĨ Function Points(.) STEP 2: Multiply each number by a weight factor, according to complexity (simple, average or complex) of the parameter, associated with that number.
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ProbertĦ Function Points STEP 1: measure size in terms of the amount of functionality in a system. 82 Programmers Capability 1.42 1.17 Virtual machine Experience 1.10. 87 Comp Turn Around Time 1.07 Analyst Capability 1.46 1.19. 85 1.30 1.65 Execution Time Constraint 1.11 1.66 Main Storage Constraint 1.06 1.21 1.56 Virtual Machine Volatility.
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#Cocomo model calculation example driver
Effort Adjustment Factor Cost Driver Very Low Nominal High Extra Required Reliability.