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Assembler Interview Questions
Questions Answers Views Company eMail

What is symbol table in assembler?

HCL,

2 4036

In the house keeping section of an MVS assembly language program, like the one below STM R14,R12,12(R13) BASR R12,R0 USING *,R12,R11 LA R11,2048 LA R11,2048(R11,R12) .... .... 1. What if BASR R12,R0 IS NOT PRECEDE USING *,R12,R11? 2. USING (base address), REGISTER does USING directive says assembler to treat particular Register as a base register with the mentioned base address..in the above case * i.e current location counter..well if that is the case why we need BASR R12,R0 ? 3. What if I write like STM R14,R12,12(R13) BASR R12,R0 LA R11,2048 LA R11,2048(R11,R12) USING *,R12,R11 there is no address resolution being calculated in both LA statements so is it a right way to set Base register?..will there be any issues with Domain regarding R11 and R12?

1352

What does LA R3,R3 ?

Amdocs,

1 1975

explain icm instruction?

IBM,

510

explain about maximum displacement and how to cross this limit?

IBM,

535

how to retrieve the instream data in sysin?

IBM,

509

how to pass the parameters from jcl to assembler pgm?

IBM,

509

what is need of start 0? In steed of

IBM,

487

Ap wkur,=p5 where wkur is a label?

IBM,

466

how do you round the addition or subtraction of two numbers in assembler? what does the following code do? change process tool(code changes from dev to prd) the changes made to your code should be effected in live. How the process takes place. That is how can you move the code changes from development to production?

IBM,

537

how to initialize a register to 0000?

IBM,

510

What is need of start 0?

483

What does the following code do? Ap wkur,=p5 where wkur is a label?

437

What is need of start 0? In steed of can we use anyother numerics? If we use what will happen?

464

How do you round the addition or subtraction of two numbers in assembler?

451


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Un-Answered Questions { Assembler }

In the house keeping section of an MVS assembly language program, like the one below STM R14,R12,12(R13) BASR R12,R0 USING *,R12,R11 LA R11,2048 LA R11,2048(R11,R12) .... .... 1. What if BASR R12,R0 IS NOT PRECEDE USING *,R12,R11? 2. USING (base address), REGISTER does USING directive says assembler to treat particular Register as a base register with the mentioned base address..in the above case * i.e current location counter..well if that is the case why we need BASR R12,R0 ? 3. What if I write like STM R14,R12,12(R13) BASR R12,R0 LA R11,2048 LA R11,2048(R11,R12) USING *,R12,R11 there is no address resolution being calculated in both LA statements so is it a right way to set Base register?..will there be any issues with Domain regarding R11 and R12?

1352


explain icm instruction?

510


how to retrieve the instream data in sysin?

509


Explain the difference between various read and find statement and which one should be used when for better adabas performance?

433


Explain the difference between various read and find statement?

466






What is maximum displacement?

463


What is the use of trt instruction?

438


Explain how to produce soc7 abend?

454


explain about maximum displacement and how to cross this limit?

535


What is house keeping in assembler?

434


Explain how to initialize a register to 0000?

457


Explain about maximum displacement?

454


How to pass the parameters from jcl to assembler program?

449


What is need of start 0?

483


what is need of start 0? In steed of

487