Analysis Questions Flashcards
Data Flow Diagram (DFD)
A process modeling technique
Entity Relationship Diagram (ERD)
A data modeling technique
Universal Modeling Language
An object modeling technique, uses elements from process and data modeling
Explain Rapid application Development (RAD)
A prototyping approach, as opposed to modeling
What is the difference between an RFP and RFQ?
RFP is to multiple venders to solicit proposals, RFQ is to a single vendor for a specific cost
comparison of user requirements vs features of a commercial vendor
Gap analysis
What are three types of subsystems?
Production, Supportive, Manegerial
A set of interrelated parts that turn imputs into outputs through processing
Systems
One may not increase, beyond what is necessary, the number of entities required to explain anything. Name the principle.
Occam’s Razor (Parsimony principle)
Problems are best solved in the subsystem in which they arise. What principle is this?
Subsidiary principle
Define failure of a system
doesn’t meet requirements, time or cost overruns, wrong information
Vocab: a standard framework for assessing the level of process maturity
Capability Maturity Model (CMM)
What are the two stages of a system life cycle?
Development, Operation and Maintenence
A formalized approach to the systems development process. Defines best practices and tools.
Systems development methodology
