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 will happen if you code GO BACK instead of STOP RUN in a stand alone COBOL program ?

Arigo Infotech, IBM,

8 36968

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

Infosys,

2 13812

What is the file organization clause ?

2 6865

What is an in-line perform ?

Accenture,

4 14811

What R 2 of the common forms of the EVALUATE STATEMENT ?

Cap Gemini,

1 10050

Name some of the examples of COBOl 11?

CSC,

3136

In EBCDIC, how would the number 1234 be stored?

TCS,

2 10470

What are VS COBOL 11 special features?

1 5195

What are options have been removed in COBOL 11?

1 4036

What is the reference modification.

2 10937

How would the number +1234 be stored if a PIC clause of PICTUREs9(4) comp-3 were used?

6 16195

What is an index for tables?

2 6587

What is a subscript ?

3 7548

What is Alternate Index ? How is it different from regular index ?

2 14875

What is CALL statement in COBOL?

4 17153

Un-Answered Questions { IBM MainFrame }

What are types of indexes?

1063

Is it possible to obtain a record from IDMS database without mentioning the record-name itself?

1328

How do you run a COBOL batch program from a JCL? How do you run a COBOL/DB2 program?

1252

What is a base cluste?

1087

Kindly specify the pic clause for the any bll cell type of data fields?

1212

Suppose if I have updated few fields of adabas file using update command, and after that I used display to see that field get updated or not. If in display it showing nothing or record did not get updated then what can be the possible reasons?

943

What is a set? How may sets be ordered?

828

What is a mainframe?

981

what are transient data sets defined to cics?

1167

what is use of dcb parameter in dd statement?

1295

i made it to stage 3 of an interview process wednessday they will quiz my knowledge again face to face for an analyst role recruiter said it will be based on Business requirements system is cobol and good ideas what they might ask etc

2589

What is maximum displacement and how to cross this limit?

1171

Explain about record currency?

846

Where is the vsam ksds placed?

961

what is the purpose of the verify function of idcams?

1054

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