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 difference between COMP & COMP-3 ?

2 30953

What was removed from COBOL in the COBOL II implementation?

2140

What will happen if you code GO BACK instead of STOP RUN in a stand-alone COBOL program i.e. a program which is not calling any other program ?

3 15672

How many sections are there in data division?.

Amdocs, TCS,

10 28426

What is the difference between NEXT SENTENCE and CONTINUE?

Mphasis,

2 14253

Can you REWRITE a record in an ESDS file? Can you DELETE a record from it?

ABC, IBM, Mphasis, Wipro,

6 27005

What is the maximum length of a field you can define using COMP-3?

Complex System, Infosys,

4 37502

How do you define a variable of COMP-1? COMP-2?

3 18142

What is the difference between comp and comp-3 usage? Explain other COBOL usage?s.

IBM, Xansa,

3 37303

Explain the difference between an internal and an external sort, the pros and cons, internal sort syntax etc.

3 13501

What do you feel makes a good program?

2 6317

What are the different data types available in COBOL?

4 11398

Can JUSTIFIED be used for all the data types?

3 10837

What is the linkage section?

4 9933

What is Static and Dynamic linking ?

3 11346

Un-Answered Questions { MainFrame }

HOW to change the coloumns in XREF?

2006

What is drda ?

1115

What is the meaning of copy idms subschema-binds in idms?

870

Which component is responsible for db2 startup and shutdown?

1035

how do you reference the variable unblock file formats from cobol programs

1328

which indicator is used for read?

1139

which utility is used to sort a file in jcl?

1220

How can tablespace be moved to another dasd volume that is allocated for that tablespace?

1240

Name all the file-open modes

1079

Explain the function of the steplib dd statement?

1132

what is DSN in JCL and what are the parameters to declare the DSN?

1195

How do you eliminate the duplicates?

917

how can I control the way a remote browser uses its cache?

1210

Explain package in db2 and its advantages?

1218

how do you pass parameters in cl?

1823

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