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Questions and Answers
What is the purpose of software validation in the software process activities?
Which activity involves writing the code that makes up the system based on design documents?
What is the key focus of Requirement Analysis in software process activities?
Which activity involves defining how the system will be divided into components?
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In which software process activity is the software modified to reflect changing customer and market requirements?
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What is the primary goal of Deployment in software process activities?
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What is the dominant approach for constructing web-based systems?
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How should web-based systems be developed and delivered?
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Why is it impractical to specify all the requirements in advance for web-based systems?
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Which technology allows for rich interfaces to be created within a web browser?
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How are users billed in cloud computing services?
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What is meant by developing 'globally by default'?
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What is the term used to describe the approach in agile methodologies where maintenance activities can overlap or be repeated as needed?
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Why is it important for software to be able to change rapidly according to the text?
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What aspect of software development is essential due to software's integration into all aspects of our lives?
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Which type of applications run on a local computer and do not require connection to a network?
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In what way do systems need to be developed in terms of scale, as mentioned in the text?
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How are the activities of maintenance, fixing issues, and making enhancements described in terms of their sequence?
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Study Notes
Software Engineering Basics
- Good software must be understandable, usable, and compatible with other systems.
- Essential attributes of good software are often referred to as "quality metrics" or "non-functional requirements".
Software Process Activities
- Software specification: defining the software to be produced and its operational constraints.
- Software development: designing and programming the software.
- Software validation: checking the software to ensure it meets customer requirements.
- Software evolution: modifying the software to reflect changing customer and market requirements.
Software Process Activities in Detail
- Requirement Analysis: understanding stakeholder needs and documenting requirements in detail.
- System Design: defining the system architecture, including high-level and detailed design.
- Implementation (or Coding): writing code based on design documents.
- Testing: verifying software functionality, including unit testing, integration testing, system testing, and acceptance testing.
- Deployment: putting the software into production for user use.
- Maintenance: keeping the system running smoothly, fixing issues, and making necessary changes or enhancements.
Software Engineering and the Web
- The Web is a platform for running applications, and organizations are increasingly developing web-based systems.
- Web services allow application functionality to be accessed globally.
- Cloud computing is an approach to provision computer services, where applications run remotely on the cloud.
- Users do not buy software but pay according to use.
Web Software Engineering
- Software reuse is the dominant approach for constructing web-based systems.
- Web-based systems should be developed and delivered iteratively and incrementally.
- User interfaces are constrained by web browser capabilities, but technologies like AJAX allow rich interfaces to be created.
General Issues in Software Engineering
- Heterogeneity: systems are required to operate as distributed systems across networks with different types of computers and mobile devices.
- Business and social change: systems need to be able to change quickly to respond to emerging economies and new technologies.
- Security and trust: software is essential in all aspects of life, and it is crucial to trust that software.
- Scale: software development ranges from small embedded systems to Internet-scale, cloud-based systems serving a global community.
Application Types
- Stand-alone applications: run on a local computer, including all necessary functionality and not requiring a network connection.
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Description
Test your knowledge on software reuse, web-based systems, web services, and cloud computing in the context of software engineering and the web.
