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

2534

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

6 17962

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

3 24907

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 10166

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 35838

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

CSC,

3 10119

What techniques will be used to avoid deadlock??

IBM, SUN,

5 14164

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 17769

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 11787

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

2 9059

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 10700

can u run online and batch at the same time?

IBM,

4 10407

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

BEA,

4 26895

Un-Answered Questions { MainFrame }

Portfolio analysis application is an example of?

1043

WORKING-STORAGE SECTION. 01 GROSS-PAY. 05 BASIC-PAY PIC 9(5). 05 ALLOWENCES PIC 9(3). PROCEDURE DIVISION. MOVE 1000 TO BASIC-PAY. MOVE 250 TO ALLOWENCES. DISPLAY GROSS-PAY. STOP RUN. 77 W-A PIC 9(3)V99 VALUE 23.75 77 W-B PIC ZZ9V99 VLAUE 123.45 after the statement MOVE W-A TO W-B what will be W-B's value? a.123.75 b.b23.75 (where b indicates space) c.023.75 d.invalid move

1288

What does a disposition of (MOD,DELETE,DELETE) mean ?

1074

How to alter the parameters for the existing gdg?

1144

How many types of page locks can be held in db2?

996

Can I combine uni-REXX with a compiled language in my application? What application programming interfaces are available? For example, can I share variables between uni-REXX and a compiled language?

842

Explain the hierarchy levels in jcl?

1632

Describe the various parameters utilized in the creation of a gdg?

1103

Explain dd statement in jcl?

1058

What is a plan and package in db2?

1048

can anybody post me about file-aid and changemen tools pls and give me reference if any mainframe guys are there

2324

Mention the length of physical storage of the given data types of db2 – date, timestamp, time

1034

what is the difference between do while and do until?

1186

What is runstats utility in db2?

963

Can you delete vsam files with the delete option of the disposition parameter of jcl?

1065

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