FIRST PUBLISH OCTOBER 2024
MISY430 Midterm Exam Study Guide
Solutions
System - ANSWER✔✔A collection of interrelated components that function together to achieve some
outcome
Information System - ANSWER✔✔A collection of interrelated components that collect, process, store,
and provide as output the information needed to complete business tasks
Subsystem - ANSWER✔✔A system that is part of a larger system
Functional Decomposition - ANSWER✔✔Dividing a system into components based on subsystems that
are further divided into smaller subsystems
System Boundary - ANSWER✔✔The separation between a system and its environment that inputs and
outputs must cross.
Systems analysis - ANSWER✔✔those activities that enable a person to understand and specify what an
information system should accomplish
System design - ANSWER✔✔those activities that enable a person to define and describe in detail the
system that solves the need
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System Analysis Role - ANSWER✔✔- Developing ideas and suggestions for how information technology
can improve business processes
- Designs the new business processes with help from the business analyst
- Design the new information system
- Ensuring that all IS standards are maintained
System development life cycle - ANSWER✔✔The process of understanding how an information system
(IS) can support business needs by designing a system, building it, and delivering it to users.
SDLC six core processes - ANSWER✔✔1) Identify the problem or need and obtain approval
2) Plan and monitor the project
3) Discover and understand the details of the problem or need
4) Design the system components that solve the problem
5) Build, test, and integrate system components
6) complete system test and then deploy the solution
Six Core Processes into Four Phases - ANSWER✔✔* Planning
- Identify the problem or need and obtain approval
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- Plan and monitor the process
* Analysis
- Discover and understand the details of the problem or need
* Design
- Design the system components that solve the problem
* Implementation
- Build, test, and integrate system components
- Complete system tests and then deploy the solution
Phase 1: Planning - ANSWER✔✔Process of understanding why and information system should be built
and determining how the project team will go about building it
- The system's business value is identified
- Conduct feasibility analysis
- Project management
* Workplan
* Staff the project
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* Project plan
Phase 2: Analysis - ANSWER✔✔Answer the questions of
- Who will use the system?
- What the system will do?
- Where and when it will be used?
Tasks
- Investigate the current system if available
- Identify the opportunities for improvement
- Development concepts for the new system
Deliverables in this phase are analysis and high-level design
Analysis Steps - ANSWER✔✔1. Analysis strategy: as-is system/to-be system
2. Requirement gathering
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