Systems Analysis and Design Ch 1, 2, 3, 4, 5, 6 Questions and Answers |100% Pass
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Systems Analysis and Design
Institution
Systems Analysis And Design
Systems Analysis and Design Ch 1, 2, 3,
4, 5, 6 Questions and Answers |100% Pass
What is the purpose of developing use cases during systems analysis? - Answer-The general purpose
of a use case is to help us better understand the situation so that we can make further steps easier. One
thing I se...
or business, and in it we actually elaborate the requirements of the system. It caters to and explains
what would be the system ins and outs. Data flow diagrams helps a team of developers in identifying the
set of flow a system should exhibit and how the flow should be managed and executed in the system, it
will tell the team about the system working flow and its execution path
Distinguish between logical process models and physical process models. - Answer✔✔-The logical model
will usually come first and represents the implementation nonspecific data requirements while the
physical model covers the implementation specific details used to implement the database.
Define what is meant by a process in a process model. How should a process be named? What
information about a process should be stored in the CASE repository? - Answer✔✔-A process in a
process model is an activity or a function that is performed for some specific business reason. A process
should be named starting with a verb and ending with a noun. Every process has a unique ID number, a
name, and a description which should be stored in the CASE repository.
Define what is meant by a data store in a process model. How should a data store be named? What
information about a data store should be stored in the CASE repository? - Answer✔✔-A data store is a
collection of data that is stored in some way. Every data store should be named with a noun, an assigned
ID number, and a description. Every data store has a name, an ID number, outputs, inputs, and a
description which should be stored in the CASE repository.
Define what is meant by an external entity in a process model. How should an external entity be named?
What information about an external entity should be stored in the CASE repository? - Answer✔✔-An
external entity is a person, organization, or system that is external to the system, but interacts with it. An
external entity should be named like a normal entity, the book didn't give any other specifics. Every
external entity has a name and a description that should be stored in the CASE repository.
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