MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

What tools are available in PL/1?

1523

What is the use of DEFINED attribute in DCL statement?

1 4919

What is the difference between DEFINED attribute and LIKE atrribute.

1 5733

What is the difference between bulitin fuction VERIFY and INDEX?

2 5353

What are the CONDITIONS in PL/1?

1 5903

How we can disable the enabled CONDITIONS.

2 5217

What is IBM CLIST (Command List)?

1 3807

What is Time Sharing Option (TSO)?

1 4419

What is Multiple Virtual Storage (MVS)?

1 3492

What is OS/390?

1 2877

How to Execute CLIST?

1 3295

what is the difference between implicit and explicit scope terminator with example?

1 8695

How to implement function keys in cics ...Interview ask me there is requirement to include two function key in the program F1 and F2 Keys...when F1 key is press record should be inserted into database after reading the input file and when F2 is press ,record should be updated in databased...explain about the entire process including testing also..?please expain in step by step ?

HeadStrong, Polaris,

1 4862

There is map and length of field need to modified, let take cust id=2 is previous of 2 byte and now it has to be 5 byte ? how to modified the cics code ?what are change need to done ? where where u will do change ?

3 5189

What is the advantages of using IDMS compared to other database systems?

1389

Un-Answered Questions { MainFrame }

Explain the job statement in jcl?

1158

Is db2 relational database?

974

What are the cics tables?

1084

How do you concatenate the firstname and lastname from emp table to give a complete name?

1075

what will happen when you try to open an empty vsam file in a cobol program for input?

1048

how do you know that records are locked?

1952

What is find and read operation in adabas file?

887

Difference between main program and a sub program in PL/1?

2945

I have a pf, it contains 5 members, how to access particular member data from logical file?

973

What is the purpose of dd?

1238

what are the statements that are not valid to be included in an include statement?

1392

What is consistency token in db2?

1141

Define autostatus in idms?

840

what will happen if there is no secondary allocation made for datasets?

1110

What is the facility that allows mainframes to be partitioned into lapars?

1101

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