Information Systems Engineering (ISE)

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Assignment & Quiz Vault

Coursework materials, weekly assignments, and design patterns from Information Systems Engineering.

🗂️ Course Assets (Google Drive)

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🏛️ Architecture Patterns

1. Layered (N-Tier) Architecture:
   • Presentation $\to$ Application / Business Logic $\to$ Data Access Layer (DAL) $\to$ Database.
2. Event-Driven Architecture (EDA):
   • Decoupled producers and consumers communicating via message brokers (Kafka, RabbitMQ).
3. Domain-Driven Design (DDD):
   • Ubiquitous language, bounded contexts, entities, value objects, aggregates, and domain events.

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🔄 SOLID Principles Checklist

Principle	Description
S — Single Responsibility	A class should have one, and only one, reason to change.
O — Open/Closed	Software entities should be open for extension, but closed for modification.
L — Liskov Substitution	Subtypes must be substitutable for their base types without altering correctness.
I — Interface Segregation	Clients should not be forced to depend upon interfaces they do not use.
D — Dependency Inversion	Depend upon abstractions, not concretions.