Characteristics of Value Adjustment Factor(VAF) in Function Point Analysis

Q.  How many characteristics does Value Adjustment Factor(VAF) in Function Point Analysis have?
- Published on 24 Jul 15

a. 11
b. 12
c. 13
d. 14

ANSWER: 14
 

    Discussion

  • Nirja Shah   -Posted on 05 Oct 15
    - The value adjustment factor (VAF) is based on 14 general system characteristics (GSC's) that rate the general functionality of the application being counted.

    - The degrees of influence range on a scale of zero to five, from no influence to strong influence.

    - The characteristics are as follows:

    1. Data communications - How many communication facilities are there to aid in the transfer or exchange of information with the application or system?

    2. Distributed data processing - How are distributed data and processing functions handled?

    3. Performance - Was response time or throughput required by the user?

    4. Heavily used configuration - How heavily used is the current hardware platform where the application will be executed?

    5. Transaction rate - How frequently are transactions executed daily, weekly, monthly, etc.?

    6. On-Line data entry - What percentage of the information is entered On-Line?

    7. End-user efficiency - Was the application designed for end-user efficiency?

    8. On-Line update - How many ILF’s are updated by On-Line transaction?

    9. Complex processing - Does the application have extensive logical or mathematical processing?

    10. Reusability - Was the application developed to meet one or many user’s needs?

    11. Installation ease - How difficult is conversion and installation?

    12. Operational ease - How effective and/or automated are start-up, back-up, and recovery procedures?

    13. Multiple sites - Was the application specifically designed, developed, and supported to be installed at multiple sites for multiple organizations?

    14. Facilitate change - Was the application specifically designed, developed, and supported to facilitate change?

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