System Analysis and Design
Sequential organization

uses an index for each key type
Stores records sequentially but uses an index to locate records
has records placed randomly throughout the file
None of these
means storing records in contiguous blocks according to a key.

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System Analysis and Design
Which of the following is not true of the conversion phase of the development life cycle?

steps must be taken to phase out the old system
documentation should be emphasized
the user and systems personnel must work closely together
the non machine components of the system should be considered

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System Analysis and Design
An open rectangle

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

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