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![1 : 3-D(D-D-D) basic stages of PLC Describing it [1] , the Definition stage covers the Requirements analysis & specification, Development stage covers Design & Implementation while the Deployment stage covers Test & Maintenance aspects. 2)Royce's Waterfall Model vs Bohem's Model : The [2] below depicts the Royce Waterfall model as a comparison to that of Boehm's model. Since the Royce's model was found with problems like, time was not bound to each stage; Boehm suggested an improved version of the waterfall model with addition of few more stages.](profile/Kanhu-Padhy/publication/290430142/figure/fig1/AS:669456686669826@1536622320158/3-DD-D-D-basic-stages-of-PLC-Describing-it-Fig41-the-Definition-stage-covers-the.png)
1 : 3-D(D-D-D) basic stages of PLC Describing it [1] , the Definition stage covers the Requirements analysis & specification, Development stage covers Design & Implementation while the Deployment stage covers Test & Maintenance aspects. 2)Royce's Waterfall Model vs Bohem's Model : The [2] below depicts the Royce Waterfall model as a comparison to that of Boehm's model. Since the Royce's model was found with problems like, time was not bound to each stage; Boehm suggested an improved version of the waterfall model with addition of few more stages.
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![Fig.4.1 : 3-D(D-D-D) basic stages of PLC Describing it [Fig.4.1] , the...](profile/Kanhu-Padhy/publication/290430142/figure/fig1/AS:669456686669826@1536622320158/3-DD-D-D-basic-stages-of-PLC-Describing-it-Fig41-the-Definition-stage-covers-the_Q320.jpg)
In the global world of competitiveness, customers are more conscious of products & service quality & reliability. Moreover, the success depends on the product availability at the right time, at the right places, at the lowest prices. With the advent in the technologies, the entrepreneurs started using various approaches in the production & service...
