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 would be the output of the variable result? D RESULT S 5S O INZ(00011) C EVAL RESULT = %TRIM(RESULT) Please give me the correct answer for this A.0001 b.compile time error c.11 d.Runtime error

5 8236

How do you read a subfile record which is in output mode?

3 10889

Please tell me how to read the records from a file with load an array of size with error conditions(The logic answer for this question is ARR is array of 99 elements Z-ADD 0 IDX *LOVAL SETLL FILE READ FILE 99 *IN99 DOWEQ *OFF IDX ANDLT 99 ADD 1 IDX MOVE FIELD ARR,IDX READ FILE 99 ENDDO).So,Please give me the complete of this code.

2526

How can I create 1 DDM that fetches 3 ADABAS files simultaneously?

5 13860

How are data passed from JCL parm to assembler program. And how is data passed from a calling program to an assembler called program.

HCL, IBM,

3 14613

Why can only 256 bytes be moved from one address to another in a MVC?

CSC, HCL, IBM,

6 15826

What is base register?

IBM, Infosys,

23 94607

What is house keeping in assembler? And explain the following code HELLOTSO START 0 * PRINT NOGEN BEGIN SAVE (14,12) LR 12,15 USING TYPE,12 ST 13,SAVE+4 LA 11,SAVE ST 11,8(13) LR 13,11

Mind Tree,

6 21644

How do you initialize a register to 0000?

HCL,

10 21658

Why do we use "drop"? What does "using" do?

4 11161

What is the difference in data type "X" and "P"?

5 11262

Dear Lister, Environment: OS390 2.10 IBM 9672- G5 (R16) I have question regarding the Real Storage usage. By monitor through RMF III the usage of Real Storage keep in increasing everyday. Why this happen? Any comment and suggestion.

1 4765

i have 3 steps in my jcl, where i want to run only one step at a time depending on the variable. How should i give the condition statement... I have tried this with two steps which is working but not able to add condn for the 3rd step. can anyone help me... I want to know the cond stmt which i can code in step 3 and step4, so that only either step2 or step3 or step4 executes

3 9010

suppose u want to pageup and page down into the bms screen , for that wat u wud do into the cics application program?

Bank Of America, Cap Gemini, IBM, RBS,

1 14189

What is the difference beetween Arrays and Tables in Cobol? please dont give the answer that arrays in cobol terminology is called tables......

BirlaSoft,

3 12824

Un-Answered Questions { MainFrame }

Can you define cics task?

1122

Explain the advantage of dynamic generation of acb?

3203

Is condition checking possible in jcl? If yes, how?

1294

what is sflrolval?

1081

what are s0c1, s0c4, s0c5, s0c7 abends?

1311

What is the primary file?

1138

My sql statement select avg(salary) from emp yields inaccurate results. Why?

1095

Why include statement is used in a jcl?

1189

What is with ur in db2?

1326

Which statement is used to identify the private libraries in job?

1193

Suppose I have a program in cobol name ”careerride” and want to execute the program by jcl. Specify the process?

1122

How would display prime numbers using CL program?

6331

What is the difference between the mro & isc?

1047

Write in brief about clusters?

990

What is output procedure?

1013

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