-
Application service provider (ASP)
- Organizations that host and run computer
- applications for other companies, typically
- on a per-use or license basis.
-
Enterprise resource planning (ERP) system
- A system that integrates individual
- traditional business functions into a series of
- modules so that a single transaction occurs
- seamlessly within a single information system
- rather than in several separate systems.
-
Managed service provider (MSP)
- An organization that remotely provides
- customized computer applications and
- network-based services for other
- companies for a monthly or per-use fee.
-
Outsourcing
- The practice of turning
- over responsibility of some or all of an
- organization�s information systems
- applications and operations
-
Request for proposal (RFP)
- A document
- provided to vendors to ask them to propose
- hardware and system software that will meet
- the requirements of a new system.
-
Reuse
- The use of previously written
- software resources, especially objects and
- components, in new applications.
-
-
Business process reengineering (BPR)
- The search for, and implementation
- of, radical change in business processes to
- achieve breakthrough improvements in
- products and services.
-
Closed-ended questions
- Questions in
- interviews and on questionnaires that ask
- those responding to choose from among
- a set of specified responses.
-
Disruptive technologies
- Technologies
- that enable the breaking of long-held
- business rules that inhibit organizations
- from making radical business changes.
-
Formal system
- The official way a system
- works as described in organizational
- documentation.
-
Informal system
- The way a system
- actually works.
-
JAD session leader
- The trained
- individual who plans and leads Joint
- Application Design sessions.
-
Key business processes
- The structured,
- measured set of activities designed to produce
- a specific output for a particular
- customer or market.
-
Open-ended questions
- Questions in interviews
- and on questionnaires that have
- no prespecified answers.
-
Scribe
- The person who makes detailed
- notes of the happenings at a Joint
- Application Design session.
-
-
Action stubs
- That part of a decision
- table that lists the actions that result for a
- given set of conditions.
-
Balancing
- The conservation of inputs
- and outputs to a data-flow diagram process
- when that process is decomposed
- to a lower level.
-
Condition stubs
- That part of a decision
- table that lists the conditions relevant to the
- decision.
-
Context diagram
- A data-flow diagram of
- the scope of an organizational system that
- shows the system boundaries, external
- entities that interact with the system, and the
- major information flows between the entities
- and the system.
-
Data-flow diagram (DFD)
- A graphic
- that illustrates the movement of data
- between external entities and the processes
- and data stores within a system.
-
Data store
- Data at rest, which may take
- the form of many different physical
- representations.
-
Decision table
- A matrix representation
- of the logic of a decision, which specifies
- the possible conditions for the decision and
- the resulting actions.
-
DFD completeness
- The extent to which
- all necessary components of a data-flow
- diagram have been included and fully
- described.
-
DFD consistency
- The extent to which
- information contained on one level of a set
- of nested data-flow diagrams is also
- included on other levels.
-
Gap analysis
- The process of discovering
- discrepancies between two or more sets of
- data-flow diagrams or discrepancies within
- a single DFD.
-
Indifferent condition
- In a decision table,
- a condition whose value does not affect
- which actions are taken for two or more
- rules.
-
Level-0 diagram
- A data-flow diagram
- that represents a system�s major processes,
- data flows, and data stores at a high level of
- detail.
-
Level-n diagram
- A DFD that is the result
- of n-nested decompositions of a series of
- subprocesses from a process on a level-0
- diagram.
-
Primitive DFD
- The lowest level of
- decomposition for a data-flow diagram.
-
Process
- The work or actions performed
- on data so that they are transformed,
- stored, or distributed.
-
Process modeling
- Graphically representing
- the processes that capture, manipulate,
- store, and distribute data between a
- system and its environment and among
- components within a system.
-
Source/Sink
- The origin and/or destination
- of data; sometimes referred to as
- external entities.
|
|
