EBK SOFTWARE ENGINEERING
10th Edition
ISBN: 9780133943238
Author: SOMMERVILLE
Publisher: PEARSON CO
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Chapter 1, Problem 1.5E
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Different application types use different development techniques for many reasons like:
- Development costs and resistance to change:
- Systems like embedded systems cannot be modified frequently as they are too expensive. So the techniques used to develop these systems are different that need no to be changed frequently. But there are some systems that must be changed according to the current user requirements...
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[5 marks] Give a recursive definition for the language anb2n where n = 1, 2, 3, ... over the alphabet Ó={a, b}.
2) [12 marks] Consider the following languages over the alphabet ={a ,b},
(i) The language of all words that begin and end an a
(ii) The language where every a in a word is immediately followed by at least one b.
(a) Express each as a Regular Expression
(b) Draw an FA for each language
(c) For Language (i), draw a TG using at most 3 states
(d) For Language (ii), construct a CFG.
Question 1 Generate a random sample of standard lognormal data (rlnorm()) for sample size n = 100. Construct histogram estimates of density for this sample using Sturges’ Rule, Scott’s Normal Reference Rule, and the FD Rule. Question 2 Construct a frequency polygon density estimate for the sample in Question 1, using bin width determined by Sturges’ Rule.
Chapter 1 Solutions
EBK SOFTWARE ENGINEERING
Ch. 1 - Explain why professional software that is...Ch. 1 - What is the most important difference between...Ch. 1 - What are the four important attributes that all...Ch. 1 - Prob. 1.4ECh. 1 - Prob. 1.5ECh. 1 - Explain why the fundamental software engineering...Ch. 1 - Prob. 1.7ECh. 1 - Prob. 1.8ECh. 1 - Prob. 1.9ECh. 1 - Prob. 1.10E
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