Iterative and Incremental Development: Iterative and incremental development is the combination of both iterative design and incremental method to develop software. It has overcome the drawbacks of waterfall model. The main motto of this model is to develop software which can be used repeatedly with minimum increase in size of data. Agile Development: Agile development is the software development in which requirement and outcomes are identified through self-organizing of users. It is a set of methods and procedures that is used in the Agile Manifesto.

Question

[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.

Answer 1

Question

Chapter 1, Problem 6E

Program Plan Intro

Iterative and Incremental Development:

Iterative and incremental development is the combination of both iterative design and incremental method to develop software.

It has overcome the drawbacks of waterfall model.

The main motto of this model is to develop software which can be used repeatedly with minimum increase in size of data.

Agile Development:

Agile development is the software development in which requirement and outcomes are identified through self-organizing of users.

It is a set of methods and procedures that is used in the Agile Manifesto.

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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.

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