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 6469

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

Covansys,

1 5951

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

CGI, Xansa,

8 21403

Write the syntax of a two dimensional array?

Honeywell, Xansa,

8 29034

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

IBM, Xansa,

3 22256

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

Xansa,

2 10254

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

Xansa,

6 16574

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

Xansa,

2 7403

What are decleratives in COBOL ?

Xansa,

1 16051

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

Patni, Xansa,

2 7617

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 15615

what is a cataloged procedure ?

Xansa,

1 8319

What is JOBLIB ?

Xansa,

5 14407

What is JCL LIB ?

Xansa,

3 16742

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

IBM, TCS, UST, Xansa,

2 36598

Un-Answered Questions { IBM MainFrame }

What is the use of value function?

1145

How do you access an uncatalogued dataset in a jcl?

1214

Which statement is used to identify the private libraries in job?

1185

Ap wkur,=p5 where wkur is a label?

1135

What is the difference between using bind () and rebind () methods of naming class?

1389

Explain sorting techniques in cobol program? Provide the sort file definition, the sort statement, its syntax and meaning

1089

What parameter directs the output of the job log dataset?

1276

Name a few CICS programs which are generally used ?

1042

How many bytes S(8) comp field occupy and its maximum value?

2136

What are fset, frset?

1005

My Question is 1. How to cound no. of records in JCL. Please explain with an example. 2. How to execute only odd steps in JCL? I know EDIT TYPE = Inculde, Step Name = 1,3,5 and COND code for all even step. Anyone knows other than this.

2463

How do you get parameter from JCL to PL1?

2429

What information does a psb contain?

1102

State the maximum number of tables that can be joined?

987

Difference between array and sub-script ?

1654

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