Analytical tools for trade diversification

List of the contents of this article:

• 1,Analytical tools for trade diversification How to draw a system block diagram?
• 2, System flow How to draw a picture
• 3, How to draw a system block diagram?

  1. Just represent all parts of the system, including the accused object and the control device, in a box.

  2. Step 1, open the Word document window and switch to the "Function Area". Click the "Shape" button in the "Illustration" group and select the "New Drawing Canvas" command in the open menu.Select the "New Drawing Canvas" command. Tips: You can also not use the canvas, but only insert the shape directly into the Word document page.

  3. Create a new visio document and select the template you need. After selecting the template, the basic graphic of the corresponding template will appear in the right selection box. Take the block diagram of the closed-loop control system as an example to demonstrate the specific operation. First, put the required box on the drawing.

  4. In the blank space or folder on the desktop, click the right mouse button, and then select the new VISIO drawing. After creating a new one, we can modify the name, and then double-click the newly created document to open it.

  How to draw a system flowchart

  1. Data flowchart: Describe the flow of data in the system, including the source, processing process and whereation of the data.The data flowchart can be used to understand the flow path of data in the system and the data processing process.

  2. The traditional flowchart is shown in the figure below: detailed explanation of the flowchart idea: (1) Define three variables, namely i (for cyclic counting), m (save relatively large values), and a (input value). ( 2) Assign a value to the loop variable i.

  3. Open the word document and click the [Insert] menu above. Find and click the [Flowchart] tab under the [Insert] menu. In the pop-up window, just select the flowchart you need. The functional flowchart of the flowchart is a graphic representation of the information flow, opinion flow or component flow through a system.

  

  How to draw the system flowchart

  1. In the blank space on the desktop or under the folder, click the right mouse button, and then select the new VISIO drawing. After creating a new one, we can modify the name, and then double-click the newly created document to open it.

  2. First of all, it is necessary to clarify the functions and processes of the exhibition hall management information system, what kind of functions the system needs to achieve, what the data input, processing and output processes are, etc. Secondly, there are many types of flowcharts, such as program flowcharts, data flowcharts, system flowcharts, etc.Choose the appropriate flowchart type according to your needs.

  3. Step 1, open the Word document window and switch to the "Function Area". Click the "Shape" button in the "Illustration" group and select the "New Drawing Canvas" command in the open menu. Select the "New Drawing Canvas" command. Tips: You can also not use the canvas, but only insert the shape directly into the Word document page.

  4. The activity diagram describes the activities required by the use case and the constraints between the activities, which is conducive to identifying parallel activities. It can demonstrate where the functions exist in the system, and how these functions and other components in the system can jointly meet the business needs of using the previous use case diagram modeling.

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