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Questions and Answers
What are the main characteristics of a system?
What are the main characteristics of a system?
The main characteristics of a system include interdependence, integration, and purposefulness.
What is the role of a System Analyst?
What is the role of a System Analyst?
A System Analyst bridges the gap between business needs and technology, analyzing systems to improve efficiency and functionality.
Describe the Waterfall model in the System Development Life Cycle.
Describe the Waterfall model in the System Development Life Cycle.
The Waterfall model is a linear sequential approach where each phase must be completed before the next begins, emphasizing documentation and planning.
What are the key qualities of good software?
What are the key qualities of good software?
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What distinguishes Agile methodology from traditional development approaches?
What distinguishes Agile methodology from traditional development approaches?
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Study Notes
System Concepts
- A system is a collection of interrelated components working together to achieve a common objective.
- System characteristics include: interconnectedness, interdependence, integration, interaction, and common goal.
- System elements include inputs, processes, outputs, feedback, and environment.
- System types include open systems (interact with the environment) and closed systems (no interaction with the environment).
- System analysis involves studying existing systems and identifying problems and needs for improvement.
System Analysis
- The role of a system analyst is to understand the current system, propose solutions, and ensure the implementation is successful.
Software Engineering
- Software engineering is the systematic approach to developing high-quality software.
- Software characteristics include functionality, reliability, efficiency, maintainability, portability, and usability.
- Software qualities include correctness, completeness, consistency, and security.
System Development Life Cycle (SDLC) Models
- Waterfall model: A sequential approach where each phase is completed before moving to the next.
- V-shape model: A verification and validation-focused model where testing is planned in parallel with development.
- Spiral model: An iterative risk-driven model that combines prototyping and incremental development.
- Prototyping: A development approach that involves creating a working model of the system.
- Incremental model: Development in small, manageable increments, testing at each stage.
- RAD (Rapid Application Development): A shortened lifecycle model, emphasizing rapid prototyping and user feedback.
- Agile model: A flexible and iterative approach focusing on customer collaboration, continuous improvement, and responding to change.
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Description
This quiz explores key concepts and principles of system analysis and software engineering. It covers system characteristics, elements, types, and the role of system analysts. Additionally, it delves into software qualities and characteristics that contribute to high-quality software development.
