Software Engineering

COCOMO Model

The Constructive Cost Model (COCOMO) is an algorithmic software cost estimation model developed by Barry W. Boehm. The model uses a basic regression formula with parameters that are derived...

Efforts Estimation

Test estimation is a management activity which approximates,how long a Task would take to complete. Estimating effort for the test is one of the major and important tasks in Test...

Project Planning Process

The project planning process involves a set of interrelated activities followed in an orderly manner to implement user requirements in software and includes the description of a series of...

Project Planning

Project planning is an organized and integrated management process, which focuses on activities required for successful completion of the project. It prevents obstacles that arise in the project such...

UI Presentation Attributes

The seven presentation attributes are: Clarity: the information content is conveyed quickly and accurately. Discriminability: the displayed information can be distinguished accurately. Conciseness: users are not overloaded with extraneous...

UI Design Principles

The seven dialogue principles are: Suitability for the task: the dialogue is suitable for a task when it supports the user in the effective and efficient completion of the...

UI Design Process

User interface design requires a good understanding of user needs. There are several phases and processes in the user interface design, some of which are more demanded upon than...

User interface design

User interface design (UI) or user interface engineering is the design of user interfaces for machines and software, such as computers, home appliances, mobile devices, and other electronic devices,...

Data Flow Diagram (DFD)

Data flow diagram (DFD) represents the flows of data between different processes in a business. It is a graphical technique that depicts information flow and the transforms that are...

Entity Relationship (ER) Diagram

ER-Diagram is a visual representation of data that describes how data is related to each other. Symbols and Notations Components of E-R Diagram The E-R diagram has three main...