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MainFrame Interview Questions
Questions Answers Views Company eMail

How many bytes does a s9(7) comp-3 field occupy ?

 540

How many bytes does a s9(7) sign trailing separate field occupy ?

 611

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?

 604

What is the purpose of "A CSRLOC (F1ROW F1COL)"?

 1 860

What happens when we move a comp-3 field to an edited (say z (9). Zz-)?

 760

How many bytes do a s9 (7) comp-3 field occupy?

 1 1167

Explain how to differentiate call by context by comparing it to other calls?

 677

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

 633

How do you code cobol to access a parameter that has been defined in jcl? And do you code the parm parameter on the exec line in jcl?

 687

What is comp-1 and comp-2?

 751

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

 681

What is amode(24)?

 676

What are 77 levels used for?

 648

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

 701

How do you define a variable of comp-1 and comp-2?

 686

Un-Answered Questions { MainFrame }

Explain how can values be passed from the job stream to an executable program?

605

What is a ci split? What is a ca split?

639

Differentiate between control interval (ci) and control area (ca)?

522

What is the need of a secondary index in IMS?

652

What is cascading rollback?

612




What happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

539

how to run batch program without jcl?

10043

how can you display specific subfile page on the screen in unequal subfile?

664

What is parallel sysplex?

431

Is automatic restart possible in jcl? If yes, how?

648

Can an individual step be restricted from using all the jobs allowed cpu time?

998

If DB2 query returns in null value, how do you work with it in PL/1?

1923

What is the difference between Global and External Variables?

652

Explain the difference between cics program control table (pct) and cics processing program table (ppt)?

601

what difference exists between control area and control interval?

562

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