In COBOL, what is the significance of the USAGE clause when defining variables?
- It controls the scope of a variable
- It defines the visibility of a data item
- It indicates the level of a data item
- It specifies the storage format of a data item
The USAGE clause in COBOL is used to specify the storage format of a data item, such as binary, packed-decimal, or display. It directly influences how the data is stored in memory.
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