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 30757

What was removed from COBOL in the COBOL II implementation?

2085

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 15489

How many sections are there in data division?.

Amdocs, TCS,

10 27942

What is the difference between NEXT SENTENCE and CONTINUE?

Mphasis,

2 14098

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

ABC, IBM, Mphasis, Wipro,

6 26668

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

Complex System, Infosys,

4 37224

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

3 17972

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

IBM, Xansa,

3 37119

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

3 13338

What do you feel makes a good program?

2 6188

What are the different data types available in COBOL?

4 11195

Can JUSTIFIED be used for all the data types?

3 10659

What is the linkage section?

4 9733

What is Static and Dynamic linking ?

3 11171

Un-Answered Questions { MainFrame }

Explain the function of job statement in jcl?

1129

How to rename a table in DB2 ?

1030

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

1144

How many bytes will a s9(8) comp field occupy ?

1082

How do get the result of your program directly on your pc?

2294

distinguish between terminating a program through seton lr and return?

1037

how can we run a batch job?

1101

What is ims (db/dc)?

968

What is the use of KSDS,LDS,ESDS,RRDS??what is VRRDS?? How are all these useful in realtime scenario??Plz helpme out...Its a recent question in IGATE..

8691

What is the difference between goback, stop run and exit program in cobol?

1522

What is a db2 package?

988

Explain the advantage of creating the acbs well ahead of time?

3510

what is the meaning of each of the values in shareopts(2 3)?

963

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

3520

what EXEC statement is and what is the syntax of EXEC statement used in JCL?

1111

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