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 6610

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

CTS,

3 9728

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

1 4776

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 6710

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

TCS,

4 12113

What is R-mode and A-mode?

TCS,

3 11078

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 6005

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 7501

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

Deloitte,

2 10434

how to see the latest generation in gdg?

Deloitte,

3 9148

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 9728

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 6931

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 10441

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

CGI,

6 16021

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 14066

Un-Answered Questions { IBM MainFrame }

What is the pic clause for the any bll cell type of data fields?

1128

What is the eib parameter?

1107

Define a page in idms?

885

Mention the guidelines to write a structured cobol program?

1147

is there an aix version of oorexx?

1042

Explain the function of data manager.

1101

what are the reserved words for cics?

1160

When a COBOL-DB2 program in PRODUCTION is updating main tables and gone for long run, what have to do?

3640

Have you used the sort in your project?for this type of questions any working on real time project give the eg. with real time scenario.

2478

what is the cics command used to access current date and time?

1235

When the like statement is used?

1284

Explain how to initialize a register to 0000?

1053

Can you explain function of dbctl?

1177

What is the function of entry sequenced data set?

1142

Why do we bind in db2?

1282

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