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

When and how can we use index & subscript ?

2 6622

What is the use of VSAM files? How to read this ?

CTS,

3 9748

How can we define a table? How can we apply SEARCH ALL on it ?

1 4784

Write the fetch cycle and execute cycle for following instructions:JMPNZ (jump to the given address if the accumulator not equal to zero) RET(return from a subroutine) ADB (add the contents of register B to the accumulator and save result in the accumulator).

1 6720

i want to store 20 digits . h will u do it in cobol ?

TCS,

4 12136

What is R-mode and A-mode?

TCS,

3 11101

Hi , I am posting some questons which are asked at interview. These may help u for ur interview... what is static and dynamic call?

TCS,

2 6012

Hi , I am posting some interview ques . what is the use of cursors ? what is the diff between select and cursor ? bith are used for data retrival .. rite?

Deloitte,

2 7521

what is the use of commit ? and what is the syntax?

Deloitte,

2 10442

how to see the latest generation in gdg?

Deloitte,

3 9162

Hi, My interviewer ask A calls B and C calls B, a and b are static c and b are dynamic.what happens if they compile and execute at same time.

iGate,

3 9748

Hi, If a catolog proc has another proc in it, both have ddnames dd1 and dd2. what proc will override if gave override parameter. Here both have same step names.

UHG,

2 6951

I have a Field which is of size 9(4). In the Screen if I enter the value for this field as 1234, it showing it as Valid. But if I enter only one or two digits, zeros should be appended in the remaining places. For example: When u enter 1 in the screen the output should be 0001. When you enter 12, output should be 0012. How to achieve this in the program?

7 10468

Explain the exact situation, when to use CALL, XCTL and LINK?

CGI,

6 16041

In jcl i have 255 steps. In 255 step i declared proc. In proc i have 20 steps this job is executable or not? why?

4 14092

Un-Answered Questions { IBM MainFrame }

What are iseries servers?

1144

Kindly specify the pic clause for the hhmmss type of data fields?

1131

I have a job called careerride and some steps in it as step1,step2. But I want to execute step2 before step1 ? How do I do that?

1483

What is the difference between structured cobol programming and object alternativelyiented cobol?

1314

What is the purpose of having vsam data space?

1018

How to check sequence on a table in db2?

1120

How to run my rexx exec?

980

Explain in DD statement what is the use of DCB parameter?

1189

What is the main function of the sign-on table?

1129

What is cobol?

1296

can I redistribute oorexx freely with commercial software?

1118

Explain how does idms communicate with cics?

996

Express the distinction between jes2 and jes3?

1250

What is the difference between Global and External Variables?

1445

Tell me abt any another framework which is challening for Ibm framework

2168

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