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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

What is the difference between COMP & COMP-3 ?

2 30953

What was removed from COBOL in the COBOL II implementation?

2144

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 15673

How many sections are there in data division?.

Amdocs, TCS,

10 28427

What is the difference between NEXT SENTENCE and CONTINUE?

Mphasis,

2 14254

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

ABC, IBM, Mphasis, Wipro,

6 27008

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

Complex System, Infosys,

4 37503

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

3 18145

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

IBM, Xansa,

3 37303

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

3 13503

What do you feel makes a good program?

2 6317

What are the different data types available in COBOL?

4 11400

Can JUSTIFIED be used for all the data types?

3 10837

What is the linkage section?

4 9934

What is Static and Dynamic linking ?

3 11347

Un-Answered Questions { IBM MainFrame }

Give the definition of COMMAREA ?

1070

Explain how many work file we can code in jcl?

986

How you can characterize tables in cobol?

1203

How errors are handled in CICS programs?

1126

What is difference between static call and dynamic call?

1031

What is the difference between cursor stability and repeatable read isolation levels?

1175

Explain sorting techniques in cobol program? Provide the sort file definition, the sort statement, its syntax and meaning

1094

what do you mean by a vsam split?

1084

)If there are 10 steps in GDG, if I want to refer the step2 after step5 . what should I do?

2011

Explain associator in adabas?

867

What is amode(31)

1174

What is declare cursor?

1122

How can we retrieve the total number of records in RPG & CLLE?

656

How to change size of Initial number of records to *NOMAX for ALL PF files from perticular library, how can I do that

3234

Explain the disadvantage of dynamic generation of acb?

948

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