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 problem of ordered sequential files access?

1214

Write the code implementing the perform … varying.

1125

how do you reference the variable block file formats from cobol programs

1314

how do you reference the printer file formats from cobol programs

1288

How to remove the spaces at the end of each record in the output file of variable length, via cobol program?

1226

Discuss about changing dataset name in proc.

1299

how do you reference the variable unblock file formats from cobol programs

1391

how do you reference the fixed unblock file formats from cobol programs

1311

Write a program that uses move corresponding.

1214

State the various causes of s0c1, s0c5 and s0c7.

1150

What do you understand by psb and acb?

1183

How to remove 2 duplicate records and copy only one using job control language?

1269

what is amode(24), amode(31), rmode(24) and rmode(any)?

1205

Write the code to count the sum of n natural numbers.

1262

What are declaratives and what are their uses in cobol?

1267

Un-Answered Questions { MainFrame }

What is the difference between the positional and keyword parameters? Give examples.

1327

What is a cics task?

1123

What type of database is db2?

1025

What is program status data structure(psds) in as400?

1138

What is a plan and package in db2?

1163

What Does 'sr' In Columns 7-8 Of C Specs Mean?

1830

What are the various data types available in db2?

1152

which utility is used a dummy utility?

1530

Explain about area currency?

913

Can you explain dfhmdf bms macro?

1107

differentiate between sequential files and esds files in vsam?

1246

What is qmf?

1001

how to run batch program without jcl?

11711

The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

1620

How can return codes be tested before execution of a job step?

1541

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