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 10892

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

3 8903

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

4 9589

Difference between next and continue clause

Kanbay,

4 9995

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

Arigo Infotech,

8 27341

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

4 13183

What is the difference between static call & Dynamic call?

CSC, TCS,

2 9154

What is 77 level used for ?

IBM, iGate,

12 66472

What is report-item?

IBM,

1 7112

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

IBM, iFlex, Wipro,

9 35229

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

3 9725

What is the different between index and subscript?

3 8605

What is Comm?

IBM, Kemper Corporation,

2 7942

COMP-3 field occupy ?

8 20895

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

TCS,

3 11269

Un-Answered Questions { MainFrame }

What is the primary file?

1202

Explain how and where is the twa size set?

1175

is delete operation supported in an esds? Is rewrite operation possible in esds?

1161

Where do you specify them?

1376

Explain delete-connected tables?

1100

What statement marks the beginning of an in-stream or cataloged procedure in jcl and assigns default values to parameters defined in the procedure?

1365

For a db2 column that is being defined as decimal (11, 2), discuss the cobol picture clause.

1168

What is a set in idms?

917

what is a physical file?

1910

What are fset, frset?

1072

Can I send output of job to my remote device careerride123?

1205

How can we read file using curser? how to define a curser?

1367

Why we sometimes use same file name in file and tofile in ovrdbf and sometimes different?

1196

Explain the difference between start and xctl?

1127

why is as/400 called object oriented machine?

1779

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