CS-255 1-2 Discuss Systems Development Lifecycle and Collecting Requirements Strategies
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Southern New Hampshire University *
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Course
CS-255
Subject
Computer Science
Date
Dec 6, 2023
Type
docx
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4
Uploaded by Barbarajean88
Introduce yourself (for example, your name, where you're from, interests, family,
pets)
Hello Class and Dr. Yurik,
I am working towards my degree BS in Computer Science in the hopes of having
a career as either an Information Security Analyst or Software Developer. I currently live
in a picturesque small town in Maine filled with lakes and walking trails. I live here with
my partner Anthony, our brand-spanking-new daughter Divani Rose, and two birds Harlie
and Joker. Most of Maine is beautiful but if I am being honest, I hate it. It’s too cold for
my liking. I have Floridian blood running through my veins. The summers are nice
except for this summer that we just had although maybe I should be grateful since I was
pregnant. A variety of outdoor activities are of interest to me, including horseback riding,
hiking, and jumping off tall things into rivers. As an adrenaline junkie, I love doing things
that would scare most people. also enjoy watching anime shows like Hunter x Hunter,
One Piece, Demon Slayer, The Black Butler, and the Seven Deadly Sins. I am a huge
science fiction fan. However, if I had to choose one thing, it would be learning. I love
learning about ancient history, biodiversity, and dinosaurs. I’ve read every book and
watched every show by Dan Jones and Sir David Attenborough. It's funny because I
didn’t enjoy learning until I became an adult and saw the value in being educated.
What has been your favorite course in the computer science program so far?
What did you enjoy about it?
My favorite course thus far is a draw between CS-210 Programming Languages
and CS-250 Software Development Lifecycle. CS-210 offered various programming
projects, most notably the Airgead Banking Investment Calculator. As far as CS-250 I
loved that course because of the way it was structured. Every week we learned another
cycle. With the way the course was designed and the project (Top Five Destinations), it
felt like I was participating in the development of a real project. I learn better when
courses are designed this way.
What are the major phases of the systems development lifecycle (SDLC)?
Describe the key features of each phase in your own words.
The Systems Development Lifecycle is a framework that defines tasks performed
at each step in the software development process. Organizations utilize the SDLC to
design, create, and maintain information systems and software applications. There are
various SDLC model variations, however, for the purpose of this course, the Systems
Development Life Cycle (SDLC) is comprised of five basic phases (with some sub-
phases), namely planning (which involves gathering requirements), analysis, design,
implementation, and maintenance.
The first phase is planning and there is a lot that happens in this phase. First, they
would need to identify the need for a new system or software and define its objectives.
Then they would assess the feasibility of the project. These factors help determine if the
project is worth pursuing. The project's scope is clearly defined as well as its objectives,
deliverables, and project constraints. Finally, it is during this phase that the project's
resources such as budget and personnel are allocated.
The second phase is Analysis, and the key features of this phase are to collect and
document detailed functional and non-functional requirements from stakeholders through
interviews, surveys, and research. By creating a high-level system architecture, the team
will outline how the system will meet the identified requirements. To illustrate how data
will be processed and stored, data flow diagrams and database structures are designed.
The final step is to identify and describe use cases to define how users will interact with
the system.
The third phase is design, the suggested solutions are transformed into logical and
physical system requirements. The purpose of this phase is to create detailed technical
specifications, including hardware, software, and network requirements. In this phase, the
user interface (UI) and user experience (UX) are designed. The team will define the
database schema and relationships based on the data model from the analysis phase.
Additionally, they will determine how the system's architectural components interact.
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