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A system to make visible the structure and execution of student programs

机译:使学生程序的结构和执行可见的系统

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摘要

Visual models help to convey programming insights and computer science principles. This paper describes the design criteria for a software system which automatically constructs visual models as a program runs. Line-by-line execution and data structures are dynamically updated on a display screen. The system can be used either by an instructor in class demonstrations, or by the student in running his or her own programs.

Motivations for the design criteria are discussed, along with tradeoffs in implementation. A system has been developed for the Pascal programming language, running on a variety of popular microcomputers.

机译:视觉模型有助于传达编程见解和计算机科学原理。本文介绍了一个软件系统的设计标准,该软件系统会在程序运行时自动构建视觉模型。逐行执行和数据结构在显示屏上动态更新。该系统可以由教师在课堂演示中使用,也可以由学生在运行自己的程序时使用。 讨论了设计标准的动机以及实现过程中的权衡取舍。已经开发了一种用于Pascal编程语言的系统,该系统可以在各种流行的微型计算机上运行。

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