System Analysis and Design
System design aid should primarily

help in programming
None of these
help analyse both data and activities
help in documentation
generate code

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System Analysis and Design
Inverted list organization

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

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System Analysis and Design
HIPO

None of these
is a forms-driven technique in which standard forms are used to document the information
captures the essence of top down decomposition.
consists of a hierarchy chart and an associated set of input/process/ output charts
All of these

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System Analysis and Design
Advantages of Relational Database Management systems are

Security controls can be more easily implemented.
Flexibility, of relating different logical files
None of these
All of these
Data independence since it allows the database to grow by adding new attributes and relations.

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System Analysis and Design
Data Definition Language (DDL)

describes how data are structured in the data base
specifies for the DBMS what is required; the techniques used to process data
all of the listed here
determine how data must be structured to produce the user's view

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