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Assembler Interview Questions
Questions Answers Views Company eMail

What is symbol table in assembler?

HCL,

2 3467

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?

1094

What does LA R3,R3 ?

Amdocs,

1 1445

explain icm instruction?

IBM,

272

explain about maximum displacement and how to cross this limit?

IBM,

235

how to retrieve the instream data in sysin?

IBM,

257

how to pass the parameters from jcl to assembler pgm?

IBM,

267

what is need of start 0? In steed of

IBM,

254

Ap wkur,=p5 where wkur is a label?

IBM,

262

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,

279

how to initialize a register to 0000?

IBM,

269

What is need of start 0?

243

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

226

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

225

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

223


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Un-Answered Questions { Assembler }

How are data passed from jcl parm to assembler program?

224


What does "using" do?

204


Explain about maximum displacement?

212


Explain the difference between various read and find statement?

237


how to initialize a register to 0000?

269






Explain how to initialize a register to 0000?

222


What is icm instruction?

217


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

223


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

224


What is maximum displacement and how to cross this limit?

211


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

215


explain icm instruction?

272


Explain how to access vsam file?

217


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

234


What is the use of trt instruction?

211