System Analysis and Design
The term scheme means

a map of overall structure of a database.
None of these
two dimensional table
the relationship service bureau
a parent with no owners

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System Analysis and Design
A menu-driven system

increases the operator's work
is required only for on-line systems
can be used only by computer professionals
None of these
presents options and allows the user to make selections

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System Analysis and Design
Positive testing is

is checking the logic of one or more programs in the candidate system
running the system with line data by the actual user
making sure that the new programs do in fact process certain transactions according to Specifications
testing changes made in an existing or a new program

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System Analysis and Design
Sequential organization

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

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