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Can you explain in GSC and VAF in function points
Can you explain in GSC and VAF in function points?
✍: Guest
In GSC (General System Characteristic) there are 14 factors which are rated on 1 to 5
depending on the complexity of the factor. Below are the 14 factors:
Data communications: - How many communication facilities are there to aid in the
transfer or exchange of information with the application or system?
Distributed data processing: - How are distributed data and processing functions
handled?
Performance: - Did the user require response at times or throughout?
Heavily used configuration: - How heavily used is the current hardware platform
where the application will be executed?
Transaction rate:-How frequently are transactions executed; daily, weekly, monthly,
etc.?
On-Line data entry:-What percentage of the information is entered On-Line?
End-user efficiency:-Was the application designed for end-user efficiency?
On-Line update: - How many ILFfs are updated by On-Line transaction?
Complex processing:-Does the application have extensive logical or mathematical
processing?.
Reusability:-Was the application developed to meet one or many users needs?
Installation ease: - How difficult is conversion and installation?
Operational ease: - How effective and/or automated are start-up, back up, and
recovery procedures?
Multiple sites: - Was the application specifically designed, developed, and supported
to be installed at multiple sites for multiple organizations?
Facilitate change: - Was the application specifically designed, developed, and supported
to facilitate change?
From the GSC we get the VAF i.e. Value added function points by the below formulae.
VAF = 0.65 + ((sum of all GSC factor)/100).
2007-10-30, 6350👍, 0💬
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