COBOL ⭐ Featured
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Q: What is the difference between SECTION and PARAGRAPH in COBOL?

Answer:

SECTION:

  • Contains one or more paragraphs
  • Ends with next SECTION or end of program
  • Used for logical grouping
  • Can be performed as a unit

PARAGRAPH:

  • Basic unit of code
  • Named block of statements
  • Ends at next paragraph name or SECTION

PERFORM SECTION-NAME executes all paragraphs in the section.

PERFORM PARA-NAME executes only that paragraph.

fresher interview
COBOL ⭐ Featured
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Q: What is RENAMES clause?

Answer:
RENAMES (66-level) creates alternative groupings of elementary items. 01 REC. 05 FIELD-A PIC X(5). 05 FIELD-B PIC X(5). 05 FIELD-C PIC X(5). 66 FIELDS-AB RENAMES FIELD-A THRU FIELD-B. Provides different data views without memory overhead.
renames 66-level grouping
JCL
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Q: What is CNTL statement?

Answer:
CNTL groups control statements. //name CNTL establishes scope. //name ENDCNTL ends it. Used with OUTPUT or other complex statements. Provides modularity. Can be referenced by name from multiple DDs.
cntl control grouping