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

2535

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

6 17966

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

3 24908

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 10169

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 35839

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

CSC,

3 10120

What techniques will be used to avoid deadlock??

IBM, SUN,

5 14165

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 17770

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

1 10636

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 11790

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

2 9060

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

3 18320

Is there any other debugging tool for expeditor?

2 10701

can u run online and batch at the same time?

IBM,

4 10409

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

BEA,

4 26896

Un-Answered Questions { MainFrame }

Comment whether dclgen is mandatorily used. If not, then what is the point of using it?

1007

Explain how to access vsam file?

1041

how do you create a dataset in a jcl with the same file organisation as that of another existing dataset?

1332

What Does Lokup Does In Tables & Arrays?

1192

how to refer the data field?

2211

What is rebind in db2?

1002

Can you define spufi?

864

Explain the difference between external subroutine and subprogram?

1126

How does a cursor work?

931

How would you understand error(execution phase)?

1171

What is node in db2?

989

How do you eliminate duplicate values in db2?

1110

To Add A File To The 'file Selection' Option Of A Query, The Function Key To Be Pressed Is?

1163

Explain the difference between record occurrence and record type?

2017

What is journal recovery?

987

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