System Analysis and Design
An open rectangle

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

ANSWER DOWNLOAD EXAMIANS APP

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 identify a top level function an d then create a hierarchy of lower-level modules and components.
all of the listed here
to prepare flow charts after programming has been completed

ANSWER DOWNLOAD EXAMIANS APP