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 Structured COBOL Programming and Object Oriented COBOL ?

1 7226

What is a scope terminator? Give examples.

2 9390

In an EVALUATE statement, can I give a complex condition on a when clause?

2 13637

What are different file OPEN modes available in COBOL?

Sun Life,

4 23894

The maximum number of dimensions that an array can have in COBOL-85 is ?

11 32320

What is the difference between performing a SECTION and a PARAGRAPH?

Accenture, Patni,

5 33869

In a COBOL II PERFORM statement, when is the conditional tested, before or after the perform execution?

3 8851

SIGN TRAILING SEPARATE field occupy ?

3 23056

How do you define a sort file in JCL that runs the COBOL program?

Syntel,

6 30335

What is file status 39 ?

JPMorgan Chase,

10 50555

What are the pertinent COBOL

IBM,

2570

What is COMP SYNC?

3 12582

What is the difference between CONTINUE & NEXT SENTENCE ?

2 8061

How to execute a set of JCL statements from a COBOL program?

Patni, Syntel,

2 14581

What is SSRANGE, NOSSRANGE ?

5 59526

Un-Answered Questions { IBM MainFrame }

What are the processing modes available in ims db?

1079

specify the requirements for automatic task initiation. (Mention the control table, it is entries and the corresponding procedure division cics command).?

1157

What is db2 catalog database?

1043

How can you access qsam (seq) files from cics?

1132

what do you mean by define model parameter?

1151

How to find the UNIT and VOLUME of a (a) KEPT (b) UNCATALOGED and (c) CATALOGED dataset - using (i) JCL and using (ii) ISPF ?

2678

What is sysplex?

920

What is a report item?

1143

What are IDMS set of occurances?

1350

write a cobol logic. i have file that has 10 records .1 record go to first output file and second record goes to 2 output and etc

1238

What is the difference between pct and fct?

1221

What is deadlock in db2?

1070

What is the output of the following command given in tso/ispf terminal?

1025

cics command level is?

1192

What is the contrast between delimited by space and delimited by size?

963

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