Cocomo Model
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Application Composition Model
3GL component
Number of 3GL Component
Add 3GL
AP = 0
Screens
Views NUM
Server Data Table
Client Data Table
Add Screen
Reports
Reports NUM
Server Data Table
Client Data Table
Add Report
Reused Components %
Developer's Experince / Case mature and capability :
Very Low
Low
Nominal
High
Very High
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Calculate
Result
place
Early Design Model
Size / Line Of code (KLOC)
RCPX
Extra Low
Very Low
Low
Nominal
High
Very High
Extra High
RUSE
Extra Low
Very Low
Low
Nominal
High
Very High
Extra High
PDIF
Extra Low
Very Low
Low
Nominal
High
Very High
Extra High
PREX
Extra Low
Very Low
Low
Nominal
High
Very High
Extra High
PERS
Extra Low
Very Low
Low
Nominal
High
Very High
Extra High
SCED
Extra Low
Very Low
Low
Nominal
High
Very High
Extra High
FCIL
Extra Low
Very Low
Low
Nominal
High
Very High
Extra High
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Result
whatshot
The Ruese Model
Black Box
White Box
number of lines of generated code (ASLOC)
the percentage of code automatically generated (AT)
the productivity of engineers in integrating this code (ATPROD)
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Result
number of lines of generated code (ASLOC)
the percentage of code automatically generated (AT)
Cost of Change the reuse Code (AAM)
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Result
whatshot
Post Architecture Model
Size / Line Of code (KLOC)
RELY
Very Low
Low
Nominal
High
Very High
Extra High
DATA
Very Low
Low
Nominal
High
Very High
Extra High
CPLX
Very Low
Low
Nominal
High
Very High
Extra High
RUSE
Very Low
Low
Nominal
High
Very High
Extra High
DOCU
Very Low
Low
Nominal
High
Very High
Extra High
TIME
Very Low
Low
Nominal
High
Very High
Extra High
STOR
Very Low
Low
Nominal
High
Very High
Extra High
PVOL
Very Low
Low
Nominal
High
Very High
Extra High
ACAP
Very Low
Low
Nominal
High
Very High
Extra High
PCAP
Very Low
Low
Nominal
High
Very High
Extra High
PCON
Very Low
Low
Nominal
High
Very High
Extra High
AEXP
Very Low
Low
Nominal
High
Very High
Extra High
PEXP
Very Low
Low
Nominal
High
Very High
Extra High
LTEX
Very Low
Low
Nominal
High
Very High
Extra High
TOOL
Very Low
Low
Nominal
High
Very High
Extra High
SITE
Very Low
Low
Nominal
High
Very High
Extra High
SCED
Very Low
Low
Nominal
High
Very High
Extra High
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Result
whatshot
Function Point
Enternal Input (EI)
Simple
Average
Low
Enternal Output (EO)
Simple
Average
Low
Enternal Inquiry (EQ)
Simple
Average
Low
Internal Logical File (ILF)
Simple
Average
Low
Enternal Interface File (EIF)
Simple
Average
Low
Data Communication
Very Low
Low
Nominal
High
Very High
Extra High
Didtributed Data Processing
Very Low
Low
Nominal
High
Very High
Extra High
Performance Criteria
Very Low
Low
Nominal
High
Very High
Extra High
Heavily Utilized Hardware
Very Low
Low
Nominal
High
Very High
Extra High
High Transaction Rates
Very Low
Low
Nominal
High
Very High
Extra High
Online Data Entry
Very Low
Low
Nominal
High
Very High
Extra High
Online Updating
Very Low
Low
Nominal
High
Very High
Extra High
End-user Efficiency
Very Low
Low
Nominal
High
Very High
Extra High
Complex Computations
Very Low
Low
Nominal
High
Very High
Extra High
Reusability
Very Low
Low
Nominal
High
Very High
Extra High
Ease of Installation
Very Low
Low
Nominal
High
Very High
Extra High
Ease of Operation
Very Low
Low
Nominal
High
Very High
Extra High
Portability
Very Low
Low
Nominal
High
Very High
Extra High
Maintainability
Very Low
Low
Nominal
High
Very High
Extra High
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Calculate
Result
mode_edit
B Default VAlue is 1.17
Precedentnees
Very Low
Low
Nominal
High
Very High
Extra High
Development Flexability
Very Low
Low
Nominal
High
Very High
Extra High
Architecture/ Risk Resolution
Very Low
Low
Nominal
High
Very High
Extra High
Team Cohesion
Very Low
Low
Nominal
High
Very High
Extra High
Process Maturity
Very Low
Low
Nominal
High
Very High
Extra High