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 is the purpose of the following I UDS I 1 60ORDER# I 7 90LINE#

1 1762

What is the purpose of the following? A CSRLOC (F1ROW F1COL)

1 1766

Define what the operation will do, the purpose of the result field and the purpose of *IN66? HI LO EQ C CALL 'CVTDAT' DTPRM 66

1 1685

Define each of the following operation codes a, b, c, d, e

1 1971

Define the purpose of the following code (If you know, how would this be written in RPG ILE) HI LO EQ C *IN66 DOUEQ *OFF C KEY1 CHAIN FILEA 90 66 C 66 CALL PGM1 PRM C ENDDO

1 1669

How do you set the keywords SFLSIZ and SFLPAG if you want the subfile to dynamically expand?

1 2058

Show 2 ways to convert a date from YYMMDD to MMDDYY (MULT operation not acceptable)

1 1974

Determine the value of the result field a. Cost = $110. 00 b. Tax = 20% c. MarkUp= 05% d. Sale = 10%

1 1634

Define the purpose of Factor 1 the Operation Code and *IN15 in following code HI LO EQ C *YMD Test(D) yymmddDate 15

1 1710

Describe the function of SETLL operation in RPG language?

1 1847

Describe the function of SETGT operation in RPG language?

1 1737

What is the purpose of Level Check parameter in a Physical file?

1 1815

Define a Job Queue?

1 1771

Define a Batch Job?

1 1830

Describe about Query/400?

1 1839

Un-Answered Questions { MainFrame }

What are the common vsam error conditions and codes?

1122

Is it slower if you access a record through alt index as compared to primary index?

1079

Explain the difference between lds and esds?

1094

how do I declare a table or array in rpg iv?

1230

What is journal recovery?

1101

How many bytes does a s9(7) comp-3 field occupy ?

1013

Why is it necessary that file needs to be opened in I-O mode for REWRITE?

1393

Explain the advantage of creating the acbs well ahead of time?

3630

how may a cgi control duplicate inputs?

1114

What is amode(24), amode(31), rmode(24) and rmode(any) (applicable to only mvsesa enterprise server) ?

1275

explain the information contained in ci

1093

What is acbgen process?

1260

how can a cgi check whether an ifs object is available?

1151

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

1128

1. There is a file called Month. Month has 12 members called Jan, Feb, ..., Dec. How to design a rpg code which can access any member and show its content. (User can ask for any member when required)?

1159

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