---
title: Lecture 6 Business Functions and Use Cases
draft: true
sr-due: 2022-05-04
sr-interval: 30
sr-ease: 250
---

#review 
https://blackboard.otago.ac.nz/bbcswebdav/pid-2884153-dt-content-rid-18204846_1/courses/INFO201_S1DNIE_2022/lecture_06_slides.pdf

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# Lecture 06 - Business functions and use cases
[Approches to systems development](out/notes/approches-to-systems-development.md)
1. What are the two main approaches to systems development and how do they differ

[Business functions](out/notes/business-functions.md)
2. What are business functions

3. What is a use case

4. What is a use case diagram used for

[Use case diagrams](out/notes/use-case-diagrams.md)


- dependencies
	- includes
	- excludes
	- requries

what is the difference between requries and indludes