یادگیری یک چیز جدید هر روز
Data Flow diagrams (DFDS) describe logical models and data transformations in the system. It includes a mechanism for modeling data flows and supports decomposition to illustrate the details of data flows and functionality. A data flow chart cannot display information about the order of operations. Therefore, it is not a process or process modeling approach.
Continue reading
Use cases describe how users use the system to achieve specific goals. A use-case diagram consists of a system, related use cases, and actors, and relates them to each other to visualize: What is it describing? (System), who is using the system? What are the actors trying to achieve? Thus, use cases help ensure that the right system is developed by capturing requirements from the user’s point of view.
Continue reading
In software development, “estimation” in the usual sense includes a quantitative assessment of the effort required to perform a specific development task; this is usually expressed in terms of duration. Agile estimation is the process of evaluating the effort required to complete the tasks on a product’s backlog in order of priority. This effort is usually measured in terms of the time required to complete the task, which in turn leads to accurate sprint planning.
Continue reading
Whether the team is working on a product or a project, we need to answer the question, “When will we get it done?” “Or how much we can do at a certain point in time, so as in the traditional development model, we need to estimate the effort before we start the project. During the development of Scrum, the team shared responsibility and collectively committed to the work of each Sprint, so the estimated workload for the agile team used a collective estimation approach.
Continue reading
PERT diagrams show each task in a project as a node. Dependencies between tasks (for example, one task needs to be completed before another can be started) can be clearly shown through connections between task nodes. It also shows time information for each task, similar to the critical path approach (CPM), which determines the longest path for a project and thus the minimum time for the project to complete.
Continue reading
Choose from over 50 chart types to find the perfect representation of your data. Both common and advanced chart types are supported, including bar, line, area, pie, doughnut, radar, and rose charts. Visualize your data and statistics quickly and easily with Visual Paradigm’s online chart maker.
Continue reading
Strategic Analysis is a core step in the Strategic Learning Cycle. Every strategist should have a toolset of analytical models at his or her disposal. However, there are many techniques and tools available for strategy analysis. If you google around the web, you will find a long list of options available. The challenge is to acquire the right techniques and tools for a given business problem. This article give you a brief introduction for you to jumpstart the strategic analysis learning process.
Continue reading
Visual Paradigm Online (VP Online) Free Edition is a free online drawing tool that supports UML, ERD, Organization Chart, etc. It features a simple, intuitive yet powerful UML editor, which allows you to create professional UML diagrams smoothly and quickly. The free UML tool comes with no ad, no limited period of access and no limitations such as, number of diagrams, number of shapes and etc. You own the diagrams you created for personal and non-commercial purposes.
Continue reading
Try Visual Paradigm Online (VP Online) Free Edition. It is a FREE online diagramming software with support to AWS Architecture Diagram and many other diagrams such as UML, Org Chart, Floor Plan, wireframe, family tree, ERD, etc. You can easily draw AWS Architecture Diagrams through the simple, intuitive diagram editor. As a real free AWS Architecture Diagram tool, there is no ad, no limited period of access and no limitations such as, number of diagrams, number of shapes and etc. You own the diagrams you created for personal and non-commercial purposes.
Continue reading
The latest update of Visual Paradigm Online supports creating AWS architecture diagram with the new AWS icons released officially in 2019. Amazon Web Services (AWS) have officially released a complete overhaul of their AWS Architecture Icons. The latest update of Visual Paradigm Online have made the new AWS icons available. Users can now create AWS architecture diagram with the latest and greatest AWS architecture icons, or keep using the previous AWS icon set, at their own choice.
Continue reading
English
简体中文
繁體中文
Deutsch
Español
Français
Italiano
Português
日本語
Nederlands
فارسی
Русский