System Analysis and Design
Direct-access organization

has records placed randomly throughout the file
means storing records in contiguous blocks according to a key.
uses an index for each key type
Stores records sequentially but uses an index to locate records

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System Analysis and Design
The background and experience of analyst include;

All of these
familiarity with the makeup and inner workings of major application areas such as financial accounting, personnel administration, marketing and sales, operations management, model buil
None of these
competence in system tools and methodologies and a practical knowledge of one or more programming and data base languages.
a background in systems theory and organization behavior

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System Analysis and Design
Reverse video is a technique of

None of these
hiding confidential data on the screen
showing data with half brightness
emphasizing data by reversing the foreground and background
showing data upside down on the screen

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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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