In Data reduction

Related MCQs

• Extracting data items and objects, to get information on data flow, and to understand the existing data structures that have been implemented is sometimes called
• In system modeling : A-Classification model; B-Stimulus-response model; C-Data processing model: 1-Here data-flow diagram show how data is processed at different stages; 2-Here object class/inheritance diagram show, how entities have the common characteristics; 3-Here state transition diagram shows the how the system reader to internal and external events
• __________ is a graphic representation of system that shows data flows to from and within system, processing functions that change the data in some manner and storage of tis data.
• -------------systems used organizational data as well as external data collected from environment of the organization.
• ER diagram is a ________of the database system which provides high level conceptual data model and supports the users perception of the data.
• _______ In this each module hides the representation details of a major data structure behind functions that access and modify the data structure.
• This module gets data from super-ordinates, process that data and again forward It to super-ordinate modules, These modules are used for processing purpose.
• What do you call, when the elements of a module, all operate on the same data?
• A DFD is always accompanied by a data dictionary.
• Data Store Symbol in DFD represents a