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?

2144

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 15673

How many sections are there in data division?.

Amdocs, TCS,

10 28428

What is the difference between NEXT SENTENCE and CONTINUE?

Mphasis,

2 14254

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

ABC, IBM, Mphasis, Wipro,

6 27009

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

Complex System, Infosys,

4 37503

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

3 18145

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 13503

What do you feel makes a good program?

2 6317

What are the different data types available in COBOL?

4 11400

Can JUSTIFIED be used for all the data types?

3 10837

What is the linkage section?

4 9935

What is Static and Dynamic linking ?

3 11347

Un-Answered Questions { MainFrame }

What is the use of db2?

1057

What is the difference between the mro & isc?

1042

Explain the thress bms options?

1014

what is the function of cpyf command?

1670

i was faced one question- i have value -00001234.56 Suppress the zeroes and the output should be -1234.56 But Not - 1234.56 spaces should not be available after suppressing the zeroes. logic in jcl and cobol?

1329

How to compare two files by using sort?

1020

I want to set position for a particular text in a certain position in several of my cics maps.Please provide me with a solution. Ex: If "F1-Help" has to be set to pos(4,27) always in all the maps within a PDS.

2316

Can you please let me know the centre name of INS certification in Kolkata.

2244

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

1313

What is the difference between PIC 9.99 and 9v99 in COBOL?

1334

what is SOC4 error?

1226

How can you access qsam (seq) files from cics?

1132

what is file information data structure?

2200

What are INPUT PROCEDURE and OUTPUT PROCEDURE?

1300

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

1168

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