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

How can we find out wether to declare the data items like Integer, Char,Comp? If comp types how can we decide wether it is Comp and Comp3.How it is? Please Explain... Cheers.

Syntel,

1 6592

Write a program to concert an Indexed file into Sequential file?

Covansys,

1 6039

I have a sequential file. How do I access a record in this sequential file randomly in my program ?

CGI, Xansa,

8 21714

Write the syntax of a two dimensional array?

Honeywell, Xansa,

8 29239

I have a sequential file of 100 records. How do I load the records into a two dimensional array ?

IBM, Xansa,

3 22410

What are subroutines ? and how do we pass data to the sub routines?

Xansa,

2 10376

Should I use STOP RUN in the sub program??why?

Xansa,

6 16870

should I use Go back in the main program ? Yes we can use Go back in main program as well.

Xansa,

2 7503

What are decleratives in COBOL ?

Xansa,

1 16154

Have you code any new programs in COBOL ? What is the functionality of the programs?

Patni, Xansa,

2 7753

What is a Proc ? why do we go for a Proc ? What are the types of procs?Can we have nesting in Procs ?

Xansa,

9 15995

what is a cataloged procedure ?

Xansa,

1 8469

What is JOBLIB ?

Xansa,

5 14613

What is JCL LIB ?

Xansa,

3 16877

what are the symbolic parameters? why do we use symbolic parameters ?

IBM, TCS, UST, Xansa,

2 36758

Un-Answered Questions { IBM MainFrame }

what is the responsibility of the construction superintendent

2215

How to submit jcl through a cobol program?

1194

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

1103

List the type of locks?

983

What is the maximum size of a char data type in db2?

1058

how to get the last record in vsam file in cluster? And how can u get the ksds file records into ur cobol program?

1025

What action db2 takes when a program aborts in the middle of a transaction?

1200

how to run batch program without jcl?

11704

What is the maximum No of rows per page?

1124

Which is the difference between delimited by size and delimited by space?

1147

Differentiate between cs and rr isolation levels? Where do you specify them?

1124

Is db2 a mainframe?

1098

explain about maximum displacement and how to cross this limit?

1198

In job processing, what happens in conversion stage?

1243

Can I cleanly uninstall oorexx?

1020

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