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by: Sterling Schmeler


Marketplace > University of Pittsburgh > ComputerScienence > CS1621 > STRUCTUREPROGRAMMINGLANGS
Sterling Schmeler
GPA 3.95


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About this Document

Class Notes
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This 4 page Class Notes was uploaded by Sterling Schmeler on Monday October 26, 2015. The Class Notes belongs to CS1621 at University of Pittsburgh taught by Staff in Fall. Since its upload, it has received 34 views. For similar materials see /class/229387/cs1621-university-of-pittsburgh in ComputerScienence at University of Pittsburgh.

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Date Created: 10/26/15
Modula Christopher Tokarczyk Alen Bahovic Erika Hinkle History Niklaus Wirth creator of Modula and Modula 2 Modula 1975 MODUlar LAnguage Small realtime control systems Modula 2 1977 Institut fur Informatik at the Eidgenossische Technische Hochschule Pascal and Modula Lilith Separately compiled units called modules Modula 3 1980 s Designed by Digital Equipment Corporation and Olivetti Exception handling concurrency object oriented garbage collection Strengths and Weaknesses Strengths Intuitive Syntax makes for easy coding and code readability Includes strong typing loop and conditional statements procedures functions and modules Lowlevel features supports assembly code concurrency type transfer functions address typing and variable sizing Weaknesses Lacks a basic type STRING of unconstrained length No standard set of library modules guaranteed to be supported No exception mechanism to handle runtime errors like division by zero arithmetic over ow referencing through a NIL pointer Several other minor inconveniences Language Usage Modula Experimental Language no compiler released 0 Modula 2 Introductory level programming classes Development of systems software including OS compilers editors linkers debuggers Programming microcomputers and embedded systems Modula 3 Large robust long lived applications


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