---
title: "06-business-functions-and-use-cases"
tags: 
- info201 
- lecture
---

[[notes/approaches-to-systems-development]]

1. What are the two main approaches to systems development and how do they differ

[[notes/business-functions]]
2. What are business functions

3. What is a use case

4. What is a use case diagram used for

[[notes/use-case-diagrams]]

- dependencies
	- includes
	- excludes
	- requries

what is the difference between requries and indludes