System Analysis and Design
The approach used in top-down analysis and design is

to identify the top level functions by combining many smaller components into a single entity
to prepare flow charts after programming has been completed
to identify a top level function an d then create a hierarchy of lower-level modules and components.
all of the listed here

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System Analysis and Design
A square symbols

defines a source or destination of system data
represents a process that transforms incoming data flow(s) into outgoing data flows
None of these
identifies data flow
is a data store-data at rest, or a temporary repository of data

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System Analysis and Design
In the system concepts, term organization

refers to the mannar in which each component functions with other components of the system.
None of these
means that parts of the computer system depend on one the another.
refers to the holism of systems
implies structure and order

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