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1 Software Testing and Quality Assurance Lecture 35 – SWE 205 Course Objective: Basics of Programming Languages & Software Construction Techniques.

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Presentation on theme: "1 Software Testing and Quality Assurance Lecture 35 – SWE 205 Course Objective: Basics of Programming Languages & Software Construction Techniques."— Presentation transcript:

1 1 Software Testing and Quality Assurance Lecture 35 – SWE 205 Course Objective: Basics of Programming Languages & Software Construction Techniques

2 2 Lecture Outline To discuss key issues of team working including composition, cohesiveness and communications

3 3 Managing groups Most software engineering is a group activity The development schedule for most non- trivial software projects is such that they cannot be completed by one person working alone. Group interaction is a key determinant of group performance. Flexibility in group composition is limited Managers must do the best they can with available people.

4 4 Factors influencing group working Group composition. Group cohesiveness. Group communications. Group organisation.

5 5 Group composition Group composed of members who share the same motivation can be problematic Task-oriented - everyone wants to do their own thing; Self-oriented - everyone wants to be the boss; Interaction-oriented - too much chatting, not enough work. An effective group has a balance of all types.

6 6 Group composition This can be difficult to achieve software engineers are often task-oriented. Interaction-oriented people are very important as they can detect and defuse tensions that arise.

7 7 Group cohesiveness In a cohesive group, members consider the group to be more important than any individual in it. The advantages of a cohesive group are: Group quality standards can be developed; Group members work closely together so inhibitions caused by ignorance are reduced;

8 8 Group cohesiveness Team members learn from each other and get to know each other’s work; Egoless programming where members strive to improve each other’s programs can be practised.

9 9 Key Points Software development groups should be small and cohesive.

10 10 Software Testing and Quality Assurance Lecture 36 (b) – SWE 205 Course Objective: Learn about ethical issues of software engineering

11 11 Lecture Outline To introduce ethical and professional issues and To explain why they are of concern to software engineers

12 12 Professional and ethical responsibility Software engineering involves wider responsibilities than simply the application of technical skills. Software engineers must behave in an honest and ethically responsible way if they are to be respected as professionals. Ethical behaviour is more than simply upholding the law.

13 13 Issues of professional responsibility Confidentiality Engineers should normally respect the confidentiality of their employers or clients irrespective of whether or not a formal confidentiality agreement has been signed. Competence Engineers should not misrepresent their level of competence. They should not knowingly accept work which is outwith their competence.

14 14 Issues of professional responsibility Intellectual property rights Engineers should be aware of local laws governing the use of intellectual property such as patents, copyright, etc. They should be careful to ensure that the intellectual property of employers and clients is protected. Computer misuse Software engineers should not use their technical skills to misuse other people’s computers. Computer misuse ranges from relatively trivial (game playing on an employer’s machine, say) to extremely serious (dissemination of viruses).

15 15 ACM/IEEE Code of Ethics The professional societies in the US have cooperated to produce a code of ethical practice. Members of these organisations sign up to the code of practice when they join.

16 16 ACM/IEEE Code of Ethics The Code contains eight Principles related to the behaviour of and decisions made by professional software engineers, Including practitioners, educators, managers, supervisors and policy makers, As well as trainees and students of the profession.

17 17 Code of ethics - preamble Preamble The short version of the code summarizes aspirations at a high level of the abstraction; the clauses that are included in the full version give examples and details of how these aspirations change the way we act as software engineering professionals. Without the aspirations, the details can become legalistic and tedious;

18 18 Code of ethics - preamble without the details, the aspirations can become high sounding but empty; together, the aspirations and the details form a cohesive code.

19 19 Code of ethics - preamble Software engineers shall commit themselves to making the analysis, specification, design, development, testing and maintenance of software a beneficial and respected profession. In accordance with their commitment to the health, safety and welfare of the public, software engineers shall adhere to the following Eight Principles:

20 20 Code of ethics - principles PUBLIC Software engineers shall act consistently with the public interest. CLIENT AND EMPLOYER Software engineers shall act in a manner that is in the best interests of their client and employer consistent with the public interest. PRODUCT Software engineers shall ensure that their products and related modifications meet the highest professional standards possible.

21 21 Code of ethics - principles JUDGMENT Software engineers shall maintain integrity and independence in their professional judgment. MANAGEMENT Software engineering managers and leaders shall subscribe to and promote an ethical approach to the management of software development and maintenance.

22 22 Code of ethics - principles PROFESSION Software engineers shall advance the integrity and reputation of the profession consistent with the public interest. COLLEAGUES Software engineers shall be fair to and supportive of their colleagues.

23 23 Code of ethics - principles SELF Software engineers shall participate in lifelong learning regarding the practice of their profession; and Shall promote an ethical approach to the practice of the profession.

24 24 Ethical dilemmas Disagreement in principle with the policies of senior management. Your employer acts in an unethical way and releases a safety-critical system without finishing the testing of the system. Participation in the development of military weapons systems or nuclear systems.

25 25 Key Points Software engineers have responsibilities to the engineering profession and society. They should not simply be concerned with technical issues. Professional societies publish codes of conduct which set out the standards of behaviour expected of their members.

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