Defect Preventionis the process of improvingquality and productivity by preventing the injection of defects into a *** consists of four elementsintegrated into the development process:(1) causal analysis meetings to i...
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Defect Preventionis the process of improvingquality and productivity by preventing the injection of defects into a *** consists of four elementsintegrated into the development process:(1) causal analysis meetings to identify the root causeof defects andsug gest preventiveactions; (2) an action team to imple- ment thepreventiveactions; (3) kickoff meetingsto increase awareness ofquality issues specific to each development stage; and(4)data collection and track- ing of associated *** Prevention Process has beensuccessfully implementedin a varietyof or- ganizationswithin ISM, somefor more than six years. This paperdiscussesthe steps neededto implement this process and the results that may be obtained. Data on quality, processcosts, benefits, andpractical experiences arealsopresented. Insights into the na- tureof programming errors and the application of this process to a varietyof workingenvironments are dis- cussed.
University research workers need to use the computer as a tool. They are not computer professionals and it is not possible for them to effectively exploit computer facilities without advice and guidance. We argue that...
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University research workers need to use the computer as a tool. They are not computer professionals and it is not possible for them to effectively exploit computer facilities without advice and guidance. We argue that amongst the various sources of information available in a University, the official Advisory Service of a Computer Centre plays a crucial role in assisting users. Moreover, its relation to other sources of information makes it a valuable ground for studying the general problems of guiding non-professional computer users. Two groups of variables are isolated: those concerned with user expertise and those concerned with the quality of software. A gross measure of expertise is suggested and shown to generate behavioural questions which will need to be addressed by any theory of computing skill that is broad enough to apply to the design of computer guidance systems. An analysis is made of user queries and suggestions made for the improvement of applications software. A research programme is outlined.
作者：
KNOWLTON, KCBell Telephone Laboratories
Inc. Murray Hill N. J. Abstract Authors References Cited By Keywords Metrics Similar Download Citation Email Print Request Permissions
A scheme is proposed for automatically detecting many programming errors; in particular, those errors which can cause a program to misbehave in different ways, depending upon how the faulty program and its data are ma...
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A scheme is proposed for automatically detecting many programming errors; in particular, those errors which can cause a program to misbehave in different ways, depending upon how the faulty program and its data are mapped into storage. Error detection is accomplished by simultaneously running two versions of a program which purport to be logically identical, with appropriate hardware checking between them.
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