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software engineering ian sommerville 8th edition phần 6

Có được tuyên bố, tắc kè hoa là đã sẵn sàng để có một số dữ liệu được giaoMối quan hệ mẹ-con không chỉ là một cách. Bạn có thể tìm thấy tất cả các trẻ em của một phần tử bằng cách sử dụng tài sản childNodes. | 414 Chapter 17 Rapid software development EXERCISES 17.1 Explain why the rapid delivery and deployment of new systems is often more important to businesses than the detailed functionality of these systems. 17.2 Explain how the principles underlying agile methods lead to the accelerated development and deployment of software. 17.3 When would you recommend against the use of an agile method for developing a software system 17.4 Extreme programming expresses user requirements as stories with each story written on a card. Discuss the advantages and disadvantages of this approach to requirements description. 17.5 Explain why test-first development helps the programmer develop a better understanding of the system requirements. What are the potential difficulties with test-first development 17.6 Suggest four reasons why the productivity rate of programmers working as a pair is roughly the same as two programmers working individually. 17.7 You have been asked to investigate the feasibility of prototyping in the software development process in your organisation. Write a report for your manager discussing the classes of project for which prototyping should be used and setting out the expected costs and benefits of prototyping. 17.8 A software manager is involved in the project development of a software design support system that supports the translation of software requirements to a formal software specification. Comment on the advantages and disadvantages of the following development strategies a. Develop a throw-away prototype evaluate it then review the system requirements. Develop the final system using c. b. Develop the system from the existing requirements using Java then modify it to adapt to any changed user requirements. c. Develop the system using incremental development with a user involved in the development team. 17.9 A charity has asked you to prototype a system that keeps track of all donations they have received. This system has to maintain the names and .