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

In an EVALUTE statement is the order of the WHEN clauses significant?

4 12565

Give some advantages of REDEFINES clause?

Syntel,

2 20918

How do you do in-line PERFORM?

Accenture,

4 18357

Explain call by context by comparing it to other calls.

1 9162

What does EXIT do ?

Deloitte,

3 13766

what is Pic 9v99 Indicates?

2 13620

What is an explicit scope terminator?

3 20326

COMP?

2 6420

What should be the sorting order for SEARCH ALL?

5 10706

How is sign stored in Packed Decimal fields and Zoned Decimal fields?

ABC, HCL, TCS,

6 38233

How do you define a table/array in COBOL?

Hexaware,

5 31491

When is a scope terminator mandatory?

3 9245

How do you submit JCL via a Cobol program?

IBM,

5 20937

What is the difference between a DYNAMIC and STATIC call in COBOL?

2 13363

Differentiate COBOL and COBOL-II?

2582

Un-Answered Questions { IBM MainFrame }

How do you define a variable of comp-1 and comp-2?

1207

Explain the purpose of dd * statement in jcl?

1076

What is the use of uni-rexx?

945

If a ceo wants to see all employees of the company from an online screen. How will be the design of the map from the developer point of view?

1039

How did the release of cobol/370 version 1.3 improve the performance of release 1.1?

1085

Can you define cics task?

1122

How many ways are there for initiating a transaction?

1056

Differentiate between cs and rr isolation levels? Where do you specify them?

1074

What is sqlca?

1084

hi,what is the module? how many modules in mainframe based banking projects

3001

What are the types of record locks and how are they set?

1606

Mention the way of highlighting as well as putting a cursor to use in a cobol program.

1082

Explain the function of the steplib dd statement?

1142

What is the use of the eibaid field?

1149

Explain the function of //jcllib statement?

1229

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