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

Parm value passed is PARM=(10,20). how do code linkage section and how would you add these two passes values and show result in cobol program.

IBM,

3 8170

write a program to eliminate duplicate records in a input file and send them to output file.

IBM,

2 6465

wirte a pgm in using files in which we hav 10 ,20,30 40...100 records in inputfile and i want them to be send to outputfile in reverse order. PLZ HELP ME OUT .........THIS IS A RECENT QUESTION IN IGATE..

iGate,

5 9939

if a=b how the flow will complete??? perform test through test-exit. perform activa through activa-exit. test. if a=b then next sentence else move a to c. test-exit. exit. activa. -- -- activa-exit. exit.

IBM,

1 4539

how to resolve soc-7 ? please tell me

IBM,

3 8315

What is the difference between Sysin,Sysout,Sysdbout and Sysudump?

3 15657

Could anyone clearly explain the diference between sub query and correlated sub query?

3 6007

Can we use MVC instruction to move pack field to pack field....which instruction you will use and why ?

Amdocs, IBM,

4 12419

write a program to eliminate duplicate records in a input file and send them to output file.THIS IS IGATE RECENT QUESTIONN.....JUST 1 WEEK BACKKKK...

iGate,

5 20049

In CICS, BMS what is the use of FREEKB parameter

IBM,

2 12437

how many maximum no of variables can be declared in linkage section ?

HCL,

2 6620

what are the isolation levels and where we use it in the db2 program

TCS,

3 8166

what is scope terminator

IBM,

2 6014

what is the drawback of vsam dataset?? a.execution slow. b.free space. c.independent storage device. d.none of the above. let me know the answer with reason.

Target,

4 8024

which is the most efficient tablespace?? a.simple tablespace. b.partitioned tablespace. c.segmented tablespace. d.none of the above. please post answer with the reason.?

3 6418

Un-Answered Questions { IBM MainFrame }

Describe the cobol database components?

1178

Specify the requirements for automatic task initiation?

1014

Differentiate between structured cobol programming and object-oriented cobol programming.

1156

suppose I have 1000 rows in a db2 table. I want to update first 100 records, how do I do it?

1124

What is Framework & How it work?

2126

How many bytes does a s9(7) comp-3 field occupy ?

951

What is the difference between next sentence and continue in cobol programing language?

1222

What are the different open modes available in cobol?

1193

What is program reentrance?

1166

What are the different types of PL/1 files?

2174

What do you mean by hierarchical database?

1203

Explain storage architecture of idms.

846

What is the mainframe computer?

943

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

1047

What is a db2 table?

1017

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