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Jan 3, 2010

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COBOL Interview Questions Collection

Overview:Collection of Mainframe COBOL Interview Questions that can be expected in a Mainframe Interview

What guidelines should be followed to write a structured Cobol prg’m ?

what is Pic 9v99 Indicates ?

What is the difference between PIC 9.99 and 9v99 ?

What is the difference between a DYNAMIC and STATIC call in COBOL ?

How can I tell if a module is being called DYNAMICALLY or STATICALLY ?

What is the point of the REPLACING option of a copy statement ?

What is the difference between a binary search and a sequential search What are the pertinent COBOL ?

What is LENGTH in COBOL II ?

What is SET TO TRUE all about, anyway ?

What is the default value(s) for an INITIALIZE and what keyword allows for an override of the default ?

In an EVALUTE statement is the order of the WHEN clauses significant ?

In a COBOL II PERFORM statement, when is the conditional tested, before or after the perform execution ?

When is a scope terminator mandatory ?

What is AMODE(24), AMODE(31), RMODE(24) and RMODE(ANY) (applicable to only MVSESA Enterprise Server) ?

What is Static and Dynamic linking ?

What is COMP SYNC ?

What is a bind?

What is the linkage section ?

Explain call by context by comparing it to other calls ?

What was removed from COBOL in the COBOL II implementation ?

What is the significance of ‘above the line’ and ‘below the line’ ?

What COBOL construct is the COBOL II EVALUATE meant to replace ?

What is the difference between NEXT SENTENCE and CONTINUE ?

What is an in line PERFORM When would you use it Anything else to say about it ?

How can you submit a job from COBOL programs ?

How do you set a return code to the JCL from a COBOL program ?

What is SSRANGE, NOSSRANGE ?

How do you define a sort file in JCL that runs the COBOL program ?

How do you sort in a COBOL program Give sort file definition, sort statement syntax and meaning. ?

My program has an array defined to have 10 items. Due to a bug, I find that even if the program access the 11th item in this array, the program does not abend. What is wrong with it ?

What is binary search ?

What is the Importance of GLOBAL clause According to new standards of COBOL ?

Difference between next and continue clause ?

What is difference between COBOL and VS COBOL II ?

what is the difference between external and global variables ?

What happens when we move a comp-3 field to an edited ?

How many bytes does a S9(7) COMP-3 field occupy ?

How is sign stored in a comp-3 field ?

How is sign stored in Packed Decimal fields and Zoned Decimal fields ?

What do you do to resolve SOC-7 error ?

Can I redefine an X(100) field with a field of X(200) ?

What is the difference between CONTINUE & NEXT SENTENCE ?

When would you use in-line perform ?

What are the differences between COBOL and COBOL II ?

Can you call an OS VS COBOL pgm from a VS COBOL II pgm ?

What are the steps you go through while creating a COBOL program executable ?

What are the differences between OS VS COBOL and VS COBOL II ?

What is a scope terminator Give examples ?

How do you come out of an EVALUATE statement ?

What is the use of EVALUATE statement ?

What is the difference between performing a SECTION and a PARAGRAPH ?

How do you define a sort file in JCL that runs the COBOL program ?

How do you sort in a COBOL program Give sort file definition, sort statement syntax and meaning ?

What is binary search ?

What should be the sorting order for SEARCH ALL ?

What is the difference between SEARCH and SEARCH ALL ?

What is an explicit scope terminator ?

What is the difference between index and subscript ?

What does the IS NUMERIC clause establish ?

What are the different data types available in COBOL ?

Name the divisions in a COBOL program ?

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