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Mainframe COBOL, JCL, and ISPF Quiz

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COMM is

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A
HALF WORD BINARY
💡 Explanation:

COMM is a half-word binary field (2 bytes). In IBM mainframe terminology, HALF WORD = 2 bytes, FULL WORD = 4 bytes, DOUBLE WORD = 8 bytes. COMM specifically uses the half-word format.

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