MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

What is the use of EVALUATE statement?

Tesco,

4 10691

What is the difference between a binary search and a sequential search?

3 8720

What is an in line PERFORM? When would you use it? Anything else to say about it?

4 9363

Difference between next and continue clause

Kanbay,

4 9797

What divisions, sections and paragraphs are mandatory for a COBOL program?

Arigo Infotech,

8 26943

What is the mode in which you will OPEN a file for writing?

4 12917

What is the difference between static call & Dynamic call?

CSC, TCS,

2 9024

What is 77 level used for ?

IBM, iGate,

12 65888

What is report-item?

IBM,

1 7003

What is the difference between SEARCH and SEARCH ALL? What is more efficient?

IBM, iFlex, Wipro,

9 34846

How do you code Cobol to access a parameter that has been defined in JCL?

3 9561

What is the different between index and subscript?

3 8443

What is Comm?

IBM, Kemper Corporation,

2 7768

COMP-3 field occupy ?

8 20623

What is the difference between a subscript and an index in a table definition?

TCS,

3 11102

Un-Answered Questions { MainFrame }

What is the use of symbol // in jcl?

1475

What is the purpose of disp parameter?

1112

Is it possible using max on a char column?

1134

Name the 3 common ways to create maps?

1131

explain icm instruction?

1071

What is PL/I?

1401

What is the maximum of key fields and search fields allowed in a segment?

993

List down the types of triggers in the db2 database?

1020

Explain the difference between dfhcommarea and tsq?

1087

What is database descriptor?

1017

What is the role of the data page in the db2 database?

1020

why is the declare cursor statement is used for?

1056

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

1077

Explain the function of the load command?

1121

What is acbgen process?

1182

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