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 is the difference between COMP & COMP-3 ?

2 31081

What was removed from COBOL in the COBOL II implementation?

2198

What will happen if you code GO BACK instead of STOP RUN in a stand-alone COBOL program i.e. a program which is not calling any other program ?

3 15841

How many sections are there in data division?.

Amdocs, TCS,

10 28794

What is the difference between NEXT SENTENCE and CONTINUE?

Mphasis,

2 14391

Can you REWRITE a record in an ESDS file? Can you DELETE a record from it?

ABC, IBM, Mphasis, Wipro,

6 27268

What is the maximum length of a field you can define using COMP-3?

Complex System, Infosys,

4 37719

How do you define a variable of COMP-1? COMP-2?

3 18282

What is the difference between comp and comp-3 usage? Explain other COBOL usage?s.

IBM, Xansa,

3 37472

Explain the difference between an internal and an external sort, the pros and cons, internal sort syntax etc.

3 13628

What do you feel makes a good program?

2 6416

What are the different data types available in COBOL?

4 11555

Can JUSTIFIED be used for all the data types?

3 10984

What is the linkage section?

4 10087

What is Static and Dynamic linking ?

3 11492

Un-Answered Questions { MainFrame }

how do you reference the printer file formats from cobol programs

1284

How to remove the spaces at end of each record in the output file Via COBOL program? note: The file has a VB length ----TRY

1441

What is the meaning of the enq command?

1148

What is a lds (linear data set)?

1067

Can you define a gdg?

1055

Explain the different system tables used in cics?

1073

I just know the Panvalet dataset name, i would like to search all the members of that dataset for particular keyword through Rexx. how to achive? please suggest. Is it possible to open panvalet member in browse mode using Rexx? Your help would be appreciated very much. Thanks in advance.

5632

what is buffering and how does it apply to vsam files ?

1239

Explain the difference between using the read command with into option and set option?

1081

How to handle duplicate error handling in RPG?

2356

why should SYSIN DD * statement should not be included inside a PROCedure snippet??? please answer this.. i need to know.

2506

I had Records in file Like this Company Code IBM 2 IBM 1 IBM 4 WIPRO 3 WIPRO 2 WIPRO 9 TCS 4 TCS 6 TCS 3 i want the record of every company with highest code How can i do that?

10297

What Is Default Data Type (if You Define Decimals '0') In Physical File?

1912

we cant write data into file using cl program then what is sndf

1705

What are union and union all?

1042

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