Abstract

A dialogue-oriented tutorial system to visualize various kinds of implementations of abstract data types (ADTs) like LIST, STACK, QUEUE , or SET is presented.The system runs on a PRIME 750 mini-computer and supports an advanced course on data structures and algorithms by graphically showing the way the ADT's primitive operations (like MakeNull, Insert, Delete etc.) can be realized by Pascal-procedures using different basic data types. The user walks through the Pascal-code when accessing the data structure. Help-screens explain the basic concepts of the algorithms under investigation.This paper describes the capabilities of the system and shows an example of its usage.

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