Information system - ANSWER A collection of interrelated components that
collects, processes, saves, and outputs the information required to execute a
business task. Always includes humans who run the system and do some of the
work.
System analysis - ANSWER Those system development actions that allow a
person to comprehend and specify what the new system should do
ANSWER - Systems design System development tasks that allow a person to
define in detail how the eventual information system will be implemented.
Project - ANSWER. A planned activity with a beginning, end, and final
outcomes.
SDLC - ANSWER System Development Life Cycle
System development life cycle - ANSWER A framework that identifies all of
the tasks required to study, construct, deploy, and often maintain an information
system.
System Development Process - ANSWER Or system development
methodology, a set of thorough rules for carrying out all of the tasks of each
core processor in the SDLC.
Name the SDLC basic processes: ANSWER 1. Identify the problem and get
approval.
2. Plan and supervise the project.
,3. Discover and comprehend the intricacies of the problem or requirement.
4. Design system components.
5. Create, test, and integrate system components.
6. Run system tests and deploy the solution.
Agile Development - ANSWER An information system development process
that emphasizes flexibility and rapid response to anticipate new and changing
requirements while development.
Iterative development - ANSWER An approach to system development in
which the system is "grown" piece by piece through several micro projects
known as iterations.
Subsystem: ANSWER An recognizable and fully functional component of a
whole system.
There are three steps to the iteration planning process: - ANSWER: Identify the
tasks required for the iteration.
Organize and sequence these chores into a schedule.
-Identify necessary resources (particularly people) and assign them to tasks.
WBS - Answer Work breakdown structure
What is the WBS? - Answer After iteration tasks are discovered, they are
collated and organized into a document in order of importance, including time
estimates for each work.
Iteration schedule - ANSWER Tasks are chosen from the WBS and placed in a
day-by-day order.
, Two fundamental process 1 activities (also known as pre-project activities). -
ANSWER: Identify the problem and document the purpose of the solution
system.
-Obtain approval to start the project.
System Vision Document - An ANSWER document that describes the problem,
system capabilities, and business advantages.
Three core process 2 activities. - ANSWER: Determine the primary components
(functional areas) that are required.
-Define iterations and assign functional areas to them.
-Determine team members and their roles.
Core Process 3 Activities: - ANSWER - Perform fact-finding tasks to
understand the requirements.
Create a collection of use cases and a use case diagram.
-Create a list of classes and a class diagram; describe user experience with
sketches of screens and reports required for each use case.
A use case is a document that depicts how the system is utilized in a certain
scenario.
Example/Use Case: Look up supplier, DESCRIPTION: using the supplier
name, get supplier information and connections.
Domain classes: ANSWER Identifies real-world objects that the system must be
aware of and track. To identify domain classes, we look for all objects or things
that a system uses or captures.
EX/Object Class: Supplier attributes include supplier name, address,
description, and comments.
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