Week 4: Requirements Flashcards
What is SDLC Core process 3
investigating system requirements
what are these activities a part of
systems analysis
(discover and understand details)
what is the technology architecture
the set of computing hardware, network hardware, and system software employed by the organization
what is application architecture
the information systems that supports the organization
what phase are these the activities for
sys analysis
what does define requirements in systems analysis activies mean?
modeling functional requirements and non functional requirements
what does prioritize requirements in systems analysis activies mean?
essential
important
nice to have
how is detailed information gathered from users
what are functional requirements
the activities the system must preform and the data it must store
what are non functional requirements
other sys characterisitcs
constraints and performance goals
what does FURPS+ stand for
Functional requirements
Usability requirements
Reliablity requirements
Performance requirements
Security requirements
+ even more categories
what are possible additional requirements categories for the + category in FURPS+
what type of requirements are these
security
adut
performance
capacity
availablity
reliablity
integrity
recovery
non functional
what are stakeholders
persons who have an interest in the successful implementation of the sys
what are internal stakeholders
people within the organiztion who iteract with the sys or have interest in its success or operation
what are external stakeholders
people outside of the organization control and influence
(when an org strategic partner interact directly w/ the internal systems)
what are operational stakeholders
people who regularly interact with the sys in the course of their jobs or life
what are executive stakeholders
dont interact directly w/ system but use the info produced by the sys or have financial or other interest in ops and success
what are 3 themes that guide analysts when they ask questions to define sys requirements
what is a model
a representation or abstraction of some aspect of the sys being built
