Chapter 5
Shows how data moves through a system. Does not show processes.
What is a data flow diagram?
This approach to system development focuses on iterative and incremental progress.
What is Agile/Iterative Methods?
When evaluating a system, this type of feasibility looks at whether benefits outweigh costs.
What is Economic Feasibility?
This model of software acquisition is when another company hosts the application needs for you.
What is Software as a Service?
This term describes the strategy of deciding whether to create software in-house or acquire it externally.
What is make or buy?
This term describes an activity in a data flow diagram with no input.
What is spontaneous generation?
This development method emphasizes processes transforming data into useful information.
What is process-centered?
According to the material, systems requests are prioritized based on this criterion.
What is greatest benefit, at the lowest cost, in the shortest period of time?
This term describes the defined limits and deliverables of a project.
What is scope?
This law states that the processing power of silicon chips would double every 18 months.
What is Moore's Law?
This maintains consistency among data flow diagrams (DFDs) by ensuring that input and output data flows align properly.
What is balancing?
This type of question is designed to elicit a specific, limited response in an interview setting.
What is a closed question?
This type of feasibility assesses whether a proposed system can be implemented given the current technical capabilities.
What is technical?
This is the initial investigation conducted by a systems analyst to evaluate a systems request
What is preliminary?
When a provider manages all aspects of the software and infrastructure, including maintenance, security, and updates, allowing customers to access applications remotely from any internet-connected device.
What is SaaS (Software as a Service)?
a central storehouse of information about a system’s data.
What is a data repository?
Term used to descibe projects that management can choose to implement based on preference (not need).
What is a discretionary project?
This acronym stands for a method of evaluating a system's strengths, weaknesses, opportunities, and threats.
What is SWOT?
This term describes the role of evaluating and analyzing a company's information systems.
Who is a systems analyst?
The process of planning, analysis, design, and implementation of a solution in systems development.
What is the SDLC (Software Development Life Cycle)?
a logical structure, with all possible combinations of conditions and resulting actions.
What is a decision table?
A UML technique that visually represents the interaction between users and an information system.
A requirement that a system must meet or an outcome it must achieve.
The practice of hiring an external firm to handle information systems development.
What is Outsourcing?
The acronym for the method companies use to request price quotes for specific products or services.
What is a RFP (Request for proposal)?