Assembler Interview Questions
Questions Answers Views Company eMail

What is symbol table in assembler?

HCL,

2 4424

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?

1505

What does LA R3,R3 ?

Amdocs,

1 2378

explain icm instruction?

IBM,

634

explain about maximum displacement and how to cross this limit?

IBM,

674

how to retrieve the instream data in sysin?

IBM,

657

how to pass the parameters from jcl to assembler pgm?

IBM,

638

what is need of start 0? In steed of

IBM,

656

Ap wkur,=p5 where wkur is a label?

IBM,

637

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,

667

how to initialize a register to 0000?

IBM,

641

What is need of start 0?

634

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

584

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

613

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

586


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Un-Answered Questions { Assembler }

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

613


What will happen if we drop the base register in the program which contains only one basereg?

557


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

584


how to pass the parameters from jcl to assembler pgm?

638


Explain how to initialize a register to 0000?

569






How many maximum base registers we can have in a single program?

606


explain about maximum displacement and how to cross this limit?

674


What is house keeping in assembler?

575


Explain the difference in data type "x" and "p"?

575


how to retrieve the instream data in sysin?

657


Explain how to access vsam file?

592


What is maximum displacement and how to cross this limit?

641


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

607


What is icm instruction?

623


Explain how to pass instream data in sysin with assembler?

628