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

Why do we code s9 (4) comp. Inspite of knowing comp-3 will occupy less space?

1149

Name the divisions, which are available in a cobol program?

1233

What is the difference between structured cobol programming and object alternativelyiented cobol programming?

1237

What is amode(31)

1168

Explain how will you differentiate between an internal and an external sort, the pros and cons, internal sort syntax etc

1243

What is the difference between a binary search and a sequential search what are the pertinent cobol?

1137

What is a scope terminator give example?

1105

What is the difference between comp and comp-3?

1183

Difference between cobol and cobol-ii?

1268

What are literals?

1127

What kind of error is trapped by on size error option?

1231

What are the different data types in cobol?

1432

Can we redefine the field of x(200) to less than 200?

1367

What is the local-storage section?

1142

What is the difference between perform … with test after and perform … with test before?

1438

Un-Answered Questions { IBM MainFrame }

What is the advantage in De-normalizing tables in DB2?

1168

which parameter is use to declare the name of dataset in dd statement?

1253

difference between tsq and tdq?

1209

how do you define single dimensional array and multidimensional array in your cobol?

1092

What are iseries servers?

1071

What will be the result if on size error phrase is declared?

950

Define acb?

3624

Describe the uses of ams?

1007

What are the different types of table spaces?

987

What are steplib and joblib? What for they are used?

1216

can oorexx run normal rexx programs?

1000

is there any way to execute more than one proc in the same exec statement at the same time..?

2630

in a cobol select statement, can you tell what is the organization for a ksds?

1110

what is difference between cobol and cobol/400

22914

How ENQ and DEQ used in CICS?

1436

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