COBOL ⭐ Featured
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Q: What are the four divisions of a COBOL program?

Answer:
  1. IDENTIFICATION DIVISION - Program identification (PROGRAM-ID)
  2. ENVIRONMENT DIVISION - Hardware/software environment, file assignments
  3. DATA DIVISION - Data definitions (FILE, WORKING-STORAGE, LINKAGE SECTION)
  4. PROCEDURE DIVISION - Executable code and business logic

Only IDENTIFICATION and PROCEDURE DIVISION are mandatory.

fresher interview
COBOL ⭐ Featured
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Q: What is PERFORM recursion limit?

Answer:
COBOL doesn't traditionally support recursion; same paragraph in PERFORM stack causes error. RECURSIVE clause in PROGRAM-ID enables it. Recursive programs need local storage. Stack depth limited by system resources. Usually avoid in COBOL.
recursion perform limitation
COBOL
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Q: Explain IDENTIFICATION DIVISION

Answer:
IDENTIFICATION DIVISION identifies program. PROGRAM-ID required (up to 8 chars for compatibility). AUTHOR, DATE-WRITTEN, DATE-COMPILED, REMARKS are documentation. INSTALLATION for deployment info. Only PROGRAM-ID affects compilation.
identification program-id division