System Analysis and Design
Backup and recovery procedures are primarily implemented to

handle the contingency when a file gets corrupted
All of these
None of these
to show different versions of data and programs
to provide data redundancy

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System Analysis and Design
An open rectangle

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

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