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

i made it to stage 3 of an interview process wednessday they will quiz my knowledge again face to face for an analyst role recruiter said it will be based on Business requirements system is cobol and good ideas what they might ask etc

2549

which is better comp or comp-3 in terms of memory utilization?

6 18074

Can anybody tell me that why we use option(*nodebugio)in H- Spec?

3 24964

Move Zeroes to I move 5 to j perform para1 varying I from 10 by -2 until I = 0 display j. para1. Add 5 to j. What’ll be the value after execution of display stmt. A) 35 B) 40 C) 30 D) 25 please explain how?

5 10223

WE HAVE 5 DIFFERENT RECORDING MODE IN COBOL.FIXED, FIXEDBLOCK, VARIABLE, VARIABLEBLOCK AND UNDEFINED. WHAT IS THE DIFFERENCE AMONG ALL AND WHICH TYPE OF FORMAT SHOULD BE USED WHEN

Infosys,

3 35890

can anybody help me that what is the procedure of debugging the service program?

CSC,

3 10175

What techniques will be used to avoid deadlock??

IBM, SUN,

5 14229

we can code COPY DCLGEN or INCLUDE DCLGEN, At which stage of the precompilation , dclgen get expanded if we write 1) copy 2) include one question about dclgen.. Is it mandatory to use declare table in dclgen.. I think no...but it will be used by the precompiler to validate the table name,column name etc.., can one clear my doubt ..is it necessary to include declare table or not?

2 17831

we can use set true for condition names.. similarly can we code set to false in cobol pgm? will it work?

1 10665

01 a pic s9(5) value -12345, if we disply a , the sign will overpunched with last digit but i need to get the miuns sign in the result?

7 11874

01 b pic +9(4) How many bytes it will take for storage???

2 9092

One program calling 5 subprograms, its a cobol db2 program, after precompilation how many plans and packages will created?

3 18359

Is there any other debugging tool for expeditor?

2 10747

can u run online and batch at the same time?

IBM,

4 10458

How to rename one vsam file as well as it's index?

BEA,

4 26953

Un-Answered Questions { MainFrame }

How to handle exceptional conditions in cics?

1088

What is the use of db2?

1021

What are various search techniques in cobol? Explain.

1037

Why is it required to have a keyed directed retrieval?

992

What db2 400?

1124

Is their any set of rules for dd? Explain.

1135

What is the copy idms subschema-binds in idms?

806

What is file identifier where we can use?

1089

If JOBA is in MSGW due to data decimal error and DUMP is generated and I found that Decimal field formatted with some special char which is coming from Input file amd file has millions of records. How I can find out on which record the error is occur. Please share your experience.....

2115

What is cursor with hold option in db2?

1033

Differentiate between the joblib and the steplib statements?

1362

1.Is it possible to move the data from 99.99 to 99v99? 2.What is the CICS-vsam Compilation process? 3.In My GDG 5 generation will be there GDG3 got an abend what will happen? 4.In my GDG first generation is +1 And I want to add the new generation what will happen previous generation? 5.How can you give the PIC clause below conditions A). s9 (reddy), B). s9 (5) occurs 5 times? 6.How override the proc from a particular step? and what is symbolic and override Procs?

5767

we cant write data into file using cl program then what is sndf

1621

Receive consists of buffer option in it. What is the significance of this option?

1002

what is the size of the address space in kbs for 16 bit address space?

1051

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