COBOL ⭐ Featured
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Q: What is OBJECT-COMPUTER paragraph?

Answer:
OBJECT-COMPUTER describes execution machine. OBJECT-COMPUTER. IBM-3090. MEMORY SIZE clause deprecated. PROGRAM COLLATING SEQUENCE for sort order. SEGMENT-LIMIT for overlay. Mostly documentation now; compiler usually ignores.
object-computer configuration machine
DB2
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Q: What is zparm?

Answer:
ZPARM (DSNZPARMs) are DB2 installation parameters. Control system behavior, limits, defaults. DSNZPARM module loaded at startup. Changes need restart usually. Critical for performance and security tuning.
zparm parameter configuration
COBOL
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Q: Explain SPECIAL-NAMES paragraph

Answer:
SPECIAL-NAMES maps system names to COBOL names. DECIMAL-POINT IS COMMA for European notation. CURRENCY SIGN IS '$'. SYMBOLIC CHARACTERS name = value. ALPHABET for custom collating. CLASS for character groups.
special-names configuration system
CICS
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Q: What is CICS FEPI?

Answer:
FEPI (Front End Programming Interface) connects to external systems. Terminal emulation. Legacy integration. EXEC CICS FEPI commands. Complex configuration.
fepi integration external