Systems Analysis and Design

Interview Questions

Answer: System Analysis involves studying existing systems and identifying improvements, while System Design is the process of creating the architecture for the new system.
Answer: A feasibility study assesses the practicality and viability of a proposed system, considering technical, economic, legal, and operational aspects before committing resources.
Answer: Requirements can be gathered through interviews, surveys, observations, and workshops, ensuring a comprehensive understanding of user needs and expectations.
Answer: A DFD visually represents the flow of data within a system, helping analysts understand processes, data stores, and interactions, facilitating a structured analysis.
Answer: Normalization is the process of organizing data in a database to reduce redundancy and dependency, ensuring data integrity and efficient storage.
Answer: Waterfall follows a linear, sequential approach, while Agile is iterative and flexible, allowing for incremental development and quick adaptation to changing requirements.
Answer: Use case diagrams illustrate interactions between actors and the system, helping to identify and clarify system functionalities from a user\'s perspective.
Answer: Security considerations involve encryption, access controls, authentication mechanisms, and regular security audits to safeguard the system from unauthorized access and threats.
Answer: A prototype provides a tangible representation of the system, allowing stakeholders to visualize and test functionalities before full-scale development, ensuring alignment with requirements.
Answer: Scalability refers to a system\'s ability to handle increased load and growth without sacrificing performance. It ensures the system can adapt to changing demands.

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