Questions tagged [functional-requirements]
23 questions
8
votes
3 answers
Are non-functional requirements elicited in parallel with or after the functional requirements?
I'm studying for the CPRE Foundation Level exam from the International Requirements Engineering Board. In the exam, there is a statement:
Quality Requirements are elicited after the Functional Requirements.
The answer to this statement is provided…

vkoukou
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- 4
6
votes
2 answers
Difference between functional and non functional requirements in Space Invaders game
In college I am doing an assignment about the differences between (non-)functional requirements. The problem statement is as follows:
Space Invaders is a single player game. After starting the game, the
player selects a level of difficulty and…

drilow
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5
votes
1 answer
Where should I specify validation messages?
I'm creating a Functional Specification Document (FSD) for a project. I'm pretty confused as to where I should specify error messages? Do they belong in the FSD, or are they part of the Technical Specification (TSD)?
I've read these articles to help…

David Latief Budiman
- 61
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5
votes
1 answer
Functional Requirements, Non-behavioral specifications, Acceptance Criteria and the gap
I am struggling in my brain about what the right answer is here and where the gap in our requirements gathering process is on this team.
Non-technical BA - their role is to write Business and User requirements in the form of User Stories. When…

maple_shaft
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4
votes
6 answers
Should a Business Analyst write API user stories?
I work as a Business Analyst in a S/W development firm. At a previous company I was a BA in Asset Management, and the BAs there were more Business oriented (i.e. less technically inclined).
We are currently building a web application and I'm using…

JackSparrow123
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4
votes
2 answers
Are agile user story acceptance criteria the same as traditional functional requirements?
Let's take a traditional functional requirement:
The system shall allow the user to create an account with an email address and
password
A user story that covers this requirement might be:
As a shopper I want to create an account so that my…

pingu
- 151
- 4
4
votes
1 answer
How do tools facilitate writing functional specifications?
C2 wiki on functional specifications suggest that this can be facilitated by tools, how?
A Functional Specification is a list of demands and constraints intended to describe a product to be designed and built...
...tools for describing software…

datasn.io
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3
votes
1 answer
"User" requirements vs "system" requirements
I'm taking Software Engineering class and my professor is absolutely terrible at explaining anything. It's only the 3rd week and me and my group mates are already deeply confused.
We were given a script for the software of a parking lot and were…

Segmentation fault
- 209
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3
votes
4 answers
Is providing a user login a functional requirement of a system?
Is providing a user login a non functional requirement?
Since this is concerned with security which is a non functional requirement, I feel that providing a user login is also non functional but again I feel that it is functional.

Tharushi Geethma
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2
votes
1 answer
Naming standard for functional requirements
I'm confused how to name software functional requirements, and I have searched some examples and found names like F-01 (for functional requirement number 1) and found other examples like SIMT-01 (the name of the system followed by the number of the…

afifnandya
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2
votes
2 answers
How to write System requirements - not all architectures fulfill all requirements
We have a system that is largely configurable, that can be organized in different architectures, and I'm struggling to write its requirement specification. I'll give an example
Module 1 does A
Module 2 does B
Module 3 does C
The system can be…

Paul
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2
votes
2 answers
Upgrade and downgrade customers subscription
I have been stuck at a requirement for way too long too handle it :(.
Our company is having increased number of customers who wants to upgrade or downgrade their subscription. For now, the subscription-customer relation is at follows:
Every…

Ange1
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1
vote
2 answers
Functional or non functional requirements?
I just started as a junior business analyst and working on defining the requirement for an already existing system, so I am gathering the requirements for a just added service.
One of the requirements is that an invoice file should be able to be…

Rquestions
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1
vote
4 answers
Is a flag for analytics a functional requirement?
Refined description
Because of great contributions, the description mutated as follows:
My application's purpose is to register customers into a system.
The requirement is: enable traceability for registration attempts under certain conditions, and…

CamelCamelius
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1
vote
1 answer
Is this non-functional requirement?
In game making project, client wants to make the game of which the duration is short.
Is the requirement, "the duration of the game should be short", non functional requirement? or functional requirement?

gkrry2723
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