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 8221

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

3 10882

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.

2519

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

5 13845

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 14597

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

CSC, HCL, IBM,

6 15803

What is base register?

IBM, Infosys,

23 94518

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 21628

How do you initialize a register to 0000?

HCL,

10 21638

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

4 11145

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

5 11245

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 4759

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 8996

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 14167

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 12811

Un-Answered Questions { MainFrame }

Can you explain common systems area?

1106

What is clone table?

1042

What is amode(31)

1174

can we define multi-dimensional arrays in rpg ?

1653

IF I mention stop run in CICS what happens?

2379

How can deadlocks be resolved?

937

What is collection in db2 bind?

1017

What is the meaning of the deq command?

1144

Specify cics transaction initiation process?

1067

What is a continuation triple?

How do you code cobol to access a parameter that has been defined in jcl? And do you code the parm parameter on the exec line in jcl?

1203

how do u start your process after conducting impact analysis ?

2127

How many ways are there for initiating a transaction?

1050

How to handle duplicate error handling in RPG?

2311

What is the main function of linear dataset?

1090

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