ITPEC FE Morning April 2018 Question 54
ITPEC FE Morning April 2018 — Question 54 of 80
Function Point Method — estimating system size by measuring its functionality
Function Point (FP) is a method for estimating the scale of a system by quantitatively measuring its functions using elements such as the number of I/O data items and files, then adjusting for the complexity and characteristics of the application. It focuses on what the system does (user-facing functionality), not how much code it takes.
The correct answer is d).
Why not the others:
- a) describes the Standard Task Method — breaking work into units and applying predefined standard values per unit
- b) describes COCOMO — estimating person-hours and duration based on known development scale (e.g., lines of code)
- c) describes Analogy-based estimation — using past experience from similar systems to estimate effort
Key rule: Function Point = count functions (inputs, outputs, inquiries, internal files, external interfaces) → adjust by complexity factors. It measures functionality, not code volume.
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