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 18062

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

3 24961

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 10214

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 35883

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

CSC,

3 10174

What techniques will be used to avoid deadlock??

IBM, SUN,

5 14228

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 17827

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 11859

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 10741

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 26946

Un-Answered Questions { MainFrame }

What is the difference between pct and fct?

1161

What do you mean by linkage section?

968

How do you simulate the explain of an embedded sql statement in spufi/qmf?

1054

What are the different dataset organizations used in vsam?

961

Write the code implementing the perform … varying.

1025

Name the versions of ibm mainframes have introduced in the market?

917

What is the mainframe testing? Categorize the mainframe manual testing?

922

what keyword must be used with protect keyword ?

1698

How is data passed from a calling program to an assembler called program?

1011

Which are the db2 tools to protect integrity of the database?

1084

What is the maximum No of rows per page?

1029

What is the use of member in pf?

960

how would you design the process for a nightly, high volume check producing process that needs to select only records that are flagged to be processed?

1552

What do you mean by cursor?

958

How to rename a table in DB2 ?

1047

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