Summary
Summary System Analysis Summaries
- Course
- Institution
The documentation goes in depth for the Learning unit 2 Chapter 2.
[Show more]
Seller
Follow
keely-annmaritz
Content preview
LEARNING UNIT 2: CHAPTER 2SYSTEM ANALYSIS ACTIVITIES
Gather detailed information
o Interviews, questionnaires, documents, observing business processes, researching
vendors, comments, and suggestions
Define requirements
o Modelling functional requirements and non-functional requirements
Prioritize requirements
o Essential, important, vs. nice to have
Develop user-interface dialogs
o Flow of interaction between user and system
Evaluate requirements with users
o User involvement, feedback, adapt to changes
WHAT ARE REQUIREMENTS?
SYSTEM REQUIREMENTS =
Functional requirements Non-functional requirements
Functional requirements = the activities the system must perform
Business uses, functions the users carry out
Non-functional requirements = other system characteristics
Constraints and performance goals
URPS + is NON-FUNCTIONAL
Requirement categories FURPS categories Example requirements
Functional Functions Business rules and processes
Non-functional Usability User interface, ease of use
Reliability Failure rate, recovery methods
Performance Response time, throughout
security Access controls, encryption
, FURPS +Requirements Acronym
F Functional requirements Usability requirements
Reliability requirements Performance requirements
Security requirements + even more categories …
Additional Requirements Categories
Design constraints –
o Specific restrictions for hardware and software
Implementation requirements –
o Specific languages, tools, protocols, etc.
Interface requirements –
o Interface links to other systems
Physical requirements –
o Physical facilities and equipment constraints
Supportability requirements –
o Automatic updates and enhancement methods
STAKEHOLDERS
Who do you involve and talk to?
Stakeholders- persons who have an interest in the successful implementation of the system
Internal Stakeholders- persons within the organization
External Stakeholders- persons outside the organization
Operational stakeholders- persons who regularly interact with the system
Executive stakeholders- persons who don’t directly interact, but use the information or have
financial interest
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller keely-annmaritz. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.73. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77529 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now