Function Point - Definition. Was ist Function Point
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Was (wer) ist Function Point - definition


Function point         
UNIT OF MEASUREMENT
Function point analysis; Function Point Analysis; Function points; Function point model; Function-point; Function-points; Function Point; Automated Function Point
The function point is a "unit of measurement" to express the amount of business functionality an information system (as a product) provides to a user. Function points are used to compute a functional size measurement (FSM) of software.
Function Point Analysis         
UNIT OF MEASUREMENT
Function point analysis; Function Point Analysis; Function points; Function point model; Function-point; Function-points; Function Point; Automated Function Point
<programming> (FPA) A standard metric for the relative size and complexity of a software system, originally developed by Alan Albrecht of IBM in the late 1970s. Functon points (FPs) can be used to estimate the relative size and complexity of software in the early stages of development - analysis and design. The size is determined by identifying the components of the system as seen by the end-user: the inputs, outputs, inquiries, interfaces to other systems, and logical internal files. The components are classified as simple, average, or complex. All of these values are then scored and the total is expressed in Unadjusted FPs (UFPs). Complexity factors described by 14 general systems characteristics, such as reusability, performance, and complexity of processing can be used to weight the UFP. Factors are also weighted on a scale of 0 - not present, 1 - minor influence, to 5 - strong influence. The result of these computations is a number that correlates to system size. Although the FP metric doesn't correspond to any actual physical attribute of a software system (such as {lines of code} or the number of subroutines) it is useful as a relative measure for comparing projects, measuring productivity, and estimating the amount a development effort and time needed for a project. See also International Function Point Users Group. (1996-05-16)
Point coordination function         
802.11-BASED WLAN MEDIUM ACCESS CONTROL METHOD
PCF Interframe Space; Point Coordination Function
Point coordination function (PCF) is a media access control (MAC) technique used in IEEE 802.11 based WLANs, including Wi-Fi.