IBM Mainframe COBOL Interview Questions.
Please use the comment section to answer.
- Explain what is the difference between performing a SECTION and a PARAGRAPH?
- What is the use of EVALUATE statement?
- What do you do to resolve SOC-7 error in COBOL?
- How many bytes will a S9(8) COMP field occupy?
- What is the maximum value that can be stored in S8(8) COMP?
- What is COMP SYNC in COBOL?
- What is the maximum size of a 01 level item in COBOL I? in COBOL II?
- How do you reference the following file formats from COBOL programs:
- What are different file OPEN modes available in COBOL?
- Explain how is sign stored in a COMP field?
- Explain what do you mean by AMODE(24), AMODE(24), AMODE(31), RMODE(24) and RMODE(any)? applicable to only MVS/ESA Enterprise Server).
- What compiler option would you use for dynamic linking in COBOL?
- What is the difference between COMP and COMP-3?
- Explain what is the mode in which you will OPEN a file for writing?
- How many bytes does a S9(7) SIGN TRAILING SEPARATE field occupy in COBOL?
- In the JCL, how do you define the files referred to in a subroutine?
- Can you REWRITE a record in an ESDS file ? Can you DELETE a record from it?
- What is SSRANGE and NOSSRANGE in COBOL?
- How do you set a return code to the JCL from a COBOL program?
- How can you submit a job from COBOL programs?
- Explain what are the differences between OS VS COBOL and VS COBOL II?
- What are the steps you go through while creating a COBOL program executable?
- Can you call an OS VS COBOL program from a OS VS COBOL II program?
- Explain about the explicit scope terminator in COBOL?
- What is an in line PERFORM? Explain its usage
- If you were passing a table via linkage, which is preferable - a subscript or an index?
- Explain the difference between an internal and an external sort
- Explain what is the difference between comp and comp-3 usage?
- When is a scope terminator mandatory in COBOL?
- In an EVALUATE statement is the order of the WHEN clauses significant?
- What is SET TO TRUE in COBOL and when it is used?
- Explain what is LENGTH COBOL II?
- What are the pertinent COBOL commands? Give some examples.
- What is the point of the REPLACING option of a copy statement?
- What will happen if you code GO BACK instead of STOP RUN?
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