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 8405

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

3 11008

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.

2572

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

5 14078

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 14769

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

CSC, HCL, IBM,

6 16087

What is base register?

IBM, Infosys,

23 95271

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 21891

How do you initialize a register to 0000?

HCL,

10 21913

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

4 11311

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

5 11405

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 4837

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 9116

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 14282

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 12944

Un-Answered Questions { MainFrame }

What do you mean by CEMT?

1283

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1268

Is db2 a database?

1029

What is the use of commit in db2?

1144

What does a cics translator do?

1483

For a db2 column that is being defined as decimal (11, 2), discuss the cobol picture clause.

1167

Explain the primary significance of intra-partition and extra-partition tdqs ?

1135

Suppose there are 2 Input files Infile-1 and Infile-2. Both the Files contain Employee Records. You need to compare both the files and Write the Common Records in third file named Outfile. How can we do this using File-Aid?

2815

What is the use of disp parameter?

1212

I executed one job and I forget to save the final JCL. But took an XDC from SPOOL. Now I want to recover the JCL from XDC dataset. Is there any process to do this?. (Manually it takes a lot of time). Is there

3131

Explain what happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

1025

Does Disconnect and Connect creates page lock in IDMS ?

1538

What action db2 takes when a program aborts in the middle of a transaction?

1200

Differentiate between control interval (ci) and control area (ca)?

1053

what is the sequence when using cursor?

1279

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