Software Development Lifecycle Flashcards

What is 'continuous integration' (CI) in modern software development?

Answer: Automatically building and testing code whenever changes are committed

CI automates the process of merging code changes and running tests frequently to detect integration issues early.

A retail tobacconist's management system undergoes 'user acceptance testing' (UAT). Who typically performs UAT?

Answer: End users or clients

UAT is conducted by actual end users or clients to verify the system meets their real-world needs before go-live.

Which SDLC phase involves patching security vulnerabilities and adding minor enhancements after a product is live?

Answer: Maintenance

The Maintenance phase covers ongoing bug fixes, security patches, and small improvements after the software is deployed.

What is a 'use case' in software requirements?

Answer: A description of how a user interacts with the system to achieve a goal

A use case describes a specific scenario in which a user interacts with the system to accomplish a particular task.

In the Waterfall model, what is a key disadvantage compared to Agile methodologies?

Answer: It is difficult to accommodate requirement changes once a phase is complete

Waterfall's sequential nature makes it costly and difficult to incorporate changes after a phase has been signed off.

What does 'MVP' stand for in the context of software product development?

Answer: Minimum Viable Product

An MVP is a product version with just enough features to be usable by early customers who can then provide feedback for future development.

Which diagram type is commonly used in the Design phase to model the relationships between database tables?

Answer: Entity-Relationship (ER) diagram

An ER diagram visually maps out entities (tables) and the relationships between them in a database schema.