8.3 Data
Data is the raw facts entered into an information system. Data needs to be structured, prepared and entered efficiently, if an information system is to work effectively.
Arrays, files and records are structures used by programmers when developing information systems.
Write out the sentence and fill in the missing word
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Arrangement of
items of data that is found using a subscript is an ????? |
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A block of data
divided into a set of related records is ?????. |
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A collection of
facts about one specific entry is ?????. It is divided into one or
more related fields. |
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A specific piece
of data that is made up of characters is a ?????. |
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????? arranges records in an ascending
or descending order according to a key field. |
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????? gives each record a
particular address so that the record is found directly. |
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Checking that the
data is correct is called ?????. |
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The process that
data undergoes to become information is called ?????. |
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Finding data
requested by the user is ?????. |
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The process of
arranging data in a particular order is ?????. |