Define stack segment, Computer Engineering

Assignment Help:

Q. Define Stack segment ?

8086 Microprocessor supports Word stack. Stack segment parameters tell the assembler to alert linker that this segment statement states the program stack area.

A program should have a stack area in that computer is continuously carrying on numerous background operations which are completely transparent, even to an assembly language programmer, for illustration a real time clock. Every 55 milliseconds real time clock interrupts.  Every 55 ms CPU is interrupted. CPU records state of its registers and then goes about updating the system clock. When it finishes servicing system clock it has to restore registers and go back to doing whatever it was doing when interruption took place.  All such information gets recorded in stack. If your program has not any stack and if real time clock were to pulse whereas the CPU is running your program there will be no way for CPU to find the way back to your program when it was through updating the clock. 0400H byte is default size of allocation of stack. Please consider if you haven't specified stack segment it is automatically created.


Related Discussions:- Define stack segment

Convert the following from hexadecimal to binary, Q. Convert the following ...

Q. Convert the following from hexadecimal to binary, decimal, BCD and octal. a) 111 b) ABC.25 c) 2.C Q. Convert the following from BCD to binary, decimal, hexadecimal an

Advantage to depth first search, Advantage to depth first search: It j...

Advantage to depth first search: It just looks like it will be a long period it finds 'DAN' until. This highlights an important drawback for depth first search. It can regular

Explain procedure level of parallel processing, Procedure Level Here, p...

Procedure Level Here, parallelism is obtainable in the form of parallel executable procedures. In that case, design of algorithm plays a key role. E.g. every thread in Java is

Multiple instruction and multiple data stream (mimd), Multiple Instruction ...

Multiple Instruction and Multiple Data stream (MIMD) In this association, multiple control units and multiple processing elements are prepared as in MISD. But the discrepancy i

Types of reasoning - first-order logic, Types of reasoning - First-order lo...

Types of reasoning - First-order logic: Atleast five types of reasoning can be acknowledged here. • Firstly, why and how do we will think for the killer usually left a silk

Determine the bit value and bitstrings , Testing Your Program All progr...

Testing Your Program All programs must be thoroughly tested before they are released to users. Create some sample input files of a small size and manually figure out what the o

State the use of erasable programmable read only memory, Erasable programma...

Erasable programmable read only memory (EPROM) This is a special type of PROM which can be erased by exposing it to ultraviolet (UV) light. Once it has been erased, it can be r

For what is defparam used, For what is defparam used? Though,  during  ...

For what is defparam used? Though,  during  compilation  of  Verilog  modules,  parameter  values  can  be  altered  separately  for every module instance. This allows us to pa

cellfun function, There is a built-in function function known as cellfun t...

There is a built-in function function known as cellfun that evaluates a function for each element of a cell array.  Make a cell array, then call the cellfun function, passing the h

Programming.., converting 10 ASCII characters to excess three using mplab i...

converting 10 ASCII characters to excess three using mplab ide

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd