A Method Used to Gather Information About an Existing System

question 44

Multiple Choice

A method used to gather information about an existing system is to make a model of it.There are several approaches to modeling in systems analysis.Logical modeling

• A)comes only after a physical model of the existing system is created.
• B)describes how a system should work,rather than how it actually works.
• C)illustrates how a system functions by describing the flow of documents and computer processes.
• D)illustrates what is being done,regardless of how that flow is actually accomplished.