12/28/2022 0 Comments Computer program flow chart drawingPseudocode: Sequence control structure Filename: Solution_Lab_04_Pseudocode.txt Just do one instruction after another in the sequence listed. It also illustrates the sequence control structure where nothing unusual happens. This demonstrates the use of both the on-page and off-page connectors. The next item is pseudocode for a simple temperature conversion program. Pass Out: value zero to the operating systemĮnd function Function main Sequence Control Structures Pseudocode: Function main calling the clear monitor function Function main Pseudocode: Function with no parameter passing Function clear monitorĭirect the operating system to clear the monitor We will demonstrate various flowcharting items by showing the flowchart for some pseudocode. A connector symbol that looks like a pocket on a shirt, allows you to connect to a flowchart on a different page. A connector symbol, which is a small circle with a letter or number inside it, allows you to connect two flowcharts on the same page. This is usually done when a flowchart does not fit on a single page, or must be divided into sections. Sometimes a flowchart is broken into two or more smaller flowcharts. Library module: usually a specific task function. Local module: usually a program control function. Often programmers will make a distinction between program control and specific task modules as shown below. Advanced Flowcharting Symbols Module CallĪ program module is represented in a flowchart by rectangle with some lines to distinguish it from process symbol. The diamond is used to represent the true/false statement being tested in a decision symbol. The rectangle depicts a process such as a mathematical computation, or a variable assignment. The parallelograms designate input or output operations. To save time arrowheads are often only drawn when the flow lines go contrary the normal. Note: The default flow is left to right and top to bottom (the same way you read English). The rounded rectangles, or terminal points, indicate the flowchart’s starting and ending points. Return to this section in later chapters to review the advanced symbols and examples. When first reading this section, focus on the simple symbols and examples. DiscussionĬommon flowcharting symbols and examples follow. Flowcharts are used in analyzing, designing, documenting or managing a process or program in various fields. This diagrammatic representation illustrates a solution model to a given problem. The flowchart shows the steps as boxes of various kinds, and their order by connecting the boxes with arrows. A flowchart is a type of diagram that represents an algorithm, workflow or process.
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