A category of data. Typical data types are numeric, alphanumeric (character), dates and logical (true/false). Programming languages allow for the creation of different data types.
When data are assigned a type, they cannot be treated like another type. For example, alphanumeric data cannot be calculated, and digits within numeric data cannot be isolated. Date types can only contain valid dates.
When data are assigned a type, they cannot be treated like another type. For example, alphanumeric data cannot be calculated, and digits within numeric data cannot be isolated. Date types can only contain valid dates.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
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