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 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 { IBM MainFrame }

if we have " ibm mainframe ",in that how to remove first and last leading space eg:"ibm mainframe" like that the answer we need

1390

Explain the primary function of the processing program table (ppt)?

1048

how do you reference the variable unblock file formats from cobol programs

1386

What is the advantages of using IDMS compared to other database systems?

1463

What is the type of ppt in the cics?

1077

What is next sentence and continue unique?

1103

How do you reference the following file formats from cobol programs?

1208

what does a file status of 02 on a vsam signifies?

1237

Explain psbgen process?

1273

Explain how do you dynamically set the cursor position to a specific field?

1123

State the maximum value up to which volumes can be inserted to an stogroup?

1103

Explain correlated sub-queries.

1101

what is the purpose of coding notify parameter in job statement?

1202

what is the difference between JES3 and JES2?

1200

What is comp-1?

1014

For More Un-Answered { IBM MainFrame } Questions Click Here