Ước lượng linh hoạt là gì? Những cạm bẫy phổ biến là gì?

Ước lượng linh hoạt là gì? Những cạm bẫy phổ biến là gì?

In software development , the usual “estimation” includes a quantitative evaluation of the work required to perform a given development task; this is usually expressed in terms of duration (hour / day) or estimated unit (story point). The purpose is to consolidate a number of such individual estimates in order to obtain an indication of the overall duration, work or cost of the software project.

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Use Case Modeling

Mô hình hóa Trường hợp Sử dụng

A UML use case diagram is the primary form of system/software requirements for a new software program under developed. Use cases specify the expected behavior (what) of a system, and not the exact method of making it happen (how). A complete set of use cases specifies all the different ways to use the system and therefore defines all behavior required of the system bounding the scope of the system.

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Use Case Tutorial for Dummies

Hướng dẫn sử dụng trường hợp cho người mới bắt đầu

A use case diagram models different types of users interact with the system to solve a problem. As such, it describes the goals of the users, the interactions between the users and the system, and the required behavior of the system in satisfying these goals. Use cases define interactions between external actors and the system to attain particular goals. A use case diagram contains four main components

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