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Questions and Answers
What is agile software development?
What is agile software development?
Agile software development is a time-boxed, iterative approach to software delivery that builds software incrementally from the start of the project, instead of trying to deliver it all at once near the end.
What are the core values of the Agile Manifesto?
What are the core values of the Agile Manifesto?
What are some causes of software development failures?
What are some causes of software development failures?
Poor communication, not meeting user needs, deadline rush, and inadequate feedback are causes of software development failures.
When did agile development methods emerge?
When did agile development methods emerge?
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Agile methods focus on the ______ rather than the ______.
Agile methods focus on the ______ rather than the ______.
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Agile development is suitable for all types of projects.
Agile development is suitable for all types of projects.
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What is the primary measure of success in Agile development?
What is the primary measure of success in Agile development?
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Which of the following is NOT a principle of agile development?
Which of the following is NOT a principle of agile development?
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What is the main aim of agile methods?
What is the main aim of agile methods?
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Study Notes
Agile Software Development
- Agile software development is an iterative, time-boxed approach to delivering software, allowing for incremental builds instead of all-at-once delivery.
- It addresses issues like project cancellations and failure rates, with statistics indicating that one in every two projects exceeds its budget by 200%.
- Common causes of software project failures include not meeting user needs, rushed deadlines, limited feature delivery, and poor user interfaces.
Traditional Waterfall Method
- The Waterfall model is predicated on assumptions that all requirements can be predicted upfront and phases can be completed before moving to the next.
- It struggles with unrealistic expectations regarding timeframes and budgets, often disregarding valuable user feedback until project end.
- Poor communication at project inception can lead to significant challenges in meeting client requirements later in the process.
Emergence of Agile Methods
- Rapid software development has become critical due to fast-changing business environments, making it hard to establish stable software requirements.
- Agile methods, which gained popularity in the late 1990s, aim to reduce delivery time while allowing software to evolve quickly in response to business needs.
- Dissatisfaction with the overhead of previous software design methods motivated the shift toward agile, focusing more on coding and iterative development rather than extensive design processes.
Agile Manifesto
- The Agile Manifesto emphasizes four core values:
- Individuals and interactions over processes and tools.
- Working software over comprehensive documentation.
- Customer collaboration over contract negotiation.
- Responding to change over following a plan.
- While acknowledging the importance of the right-side items, the focus remains on the left-side items to enhance software development processes.
Agile Principles
- Highest customer satisfaction achieved through early and continuous delivery.
- Working software serves as the primary measure of progress; a key principle throughout agile development.
- Agile practices include consistent reassessment and adaptation throughout the development lifecycle to ensure alignment with user needs.
Advantages and Disadvantages of Agile
- Advantages include faster delivery, increased flexibility, improved user satisfaction, and higher quality products.
- Disadvantages may involve less initial documentation, possible challenges in scalability, and varying levels of experience among team members in applying agile methodologies.
Agile Development Life Cycle
- Involves several stages including concept, inception, iteration, and release.
- Central activities revolve around planning, executing, and reviewing tasks iteratively.
Comparison to Traditional Approaches
- Agile contrasts with plan-driven, traditional methods, which are less adaptable to changing requirements.
- Agile is more suitable for projects where requirement volatility is high, while traditional methods may suit projects with clearly defined requirements.
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Description
Test your knowledge about Agile Software Development in this quiz designed for IS1204. You'll explore the principles of agile methodologies, differentiate between agile and plan-driven development, and learn about techniques like Scrum and extreme programming. Perfect for students looking to solidify their understanding of the agile manifesto.
