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

s9(18) comp-3:: What is the size of memory it takes internally?

4 9996

How to define variable 9(20) in COBOL, because compiler does not allow us to declare variables with Pic 9(18). Can anyone please let me know the answer... I know one answer to this question which is to use Compiler option Arith (Extend) during Compilation. It extends the maximum limit to 9(32)..Just wanted to know if there is any other way to extend this?

CSC, TCS,

4 18543

wht r different types of sorts ?

L&T,

1 6644

wht is step lib n job lib ? where can we code joblib n steplib ?

L&T,

3 8858

wht is sysudump n sysout,sysprint ?

L&T,

1 7395

what is srange and nosrange pls reply to ths question ?

L&T,

2 7292

what is difference between repro and export? if any one know this plz tell me

Cap Gemini,

7 19278

what is static sql? what is dynamic sql? Give me details

3 8368

Can we dynamically increase the size of occurs clause? i.e In case I an not sure of the size of array and want to increase the size at run time.If yes , how?

1 6281

I have a variable account-number declared as comp-3, s9(10) comp-3 in a file. How do i find a particular account number say 123456 in that file?

3 8375

i) Difference between ps, esds, ii) Difference between lrecl, blksize among PS, PDS issues? i.e in jcl at dcb

2 11175

how can i code cond parameter in procedures ? i have a jclk calling a proc which has 10 steps i want to execute from step 5 to step 10 where can i code restrat parameter or cond parameter for ths

IBM,

4 8324

wht do u mean by inrec and outrec ?

IBM,

1 8743

jcl is like a complier....?

6 9289

wht do u mean by notify parameter, how can u give acess to multiple users ?

L&T,

4 10613

Un-Answered Questions { IBM MainFrame }

Can you explain communication area?

1101

What is meant by an isolation level?

1089

Explain the maximum number of fields allowed per segment and what is the maximum number of fields per database?

1120

Explain how to access vsam file?

1147

What does EIB mean in CICS?

1240

What is a transid?

1167

What is the purpose of dd dummy statement?

1531

What r the comman abends in db2, jcl and cobol???????

2315

Define an asra?

1098

What does the keyranges parameter in define cluster commends do?

1013

How errors are handled in CICS programs?

1175

Name the two types of transient data queues?

1107

How is Telon(CA-Telon) used to build map?

4681

which is the cics control program that provides communication services between user written application programs and terminals?

1053

List the different components of jcl statement?

1151

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