System Analysis and Design
Sequential organization

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

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System Analysis and Design
Reverse video is a technique of

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

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