Explain the overlay structured program, Operating System

Assignment Help:

Overlay structured program:

A program consisting of overlays is referred as overlay structured program in which an overlay is a part of program which has similar load origin as some other part(s) of the program. Such type of a program contains

a. A permanently resident portion, called the root

b. A set of overlays

The overlay structure of a program is planned by identifying mutually exclusive modules- i.e. modules that do not call each other. The major idea is that such modules do not require residing simultaneously in memory. Therefore they are located in different overlays with similar load origin.


Related Discussions:- Explain the overlay structured program

What is busy waiting, What is busy waiting? The repeated implementation...

What is busy waiting? The repeated implementation of a loop of code while waiting for an event to happen is known as busy-waiting. The CPU is not engaged in any actual producti

How are file sharing and protection implemented?, How are file sharing and ...

How are file sharing and protection implemented? To implement file protection and sharing, the system ought to maintain more file and directory attributes than are needed on a

What do you mean by semaphore?, What do you mean by semaphore?  Semap...

What do you mean by semaphore?  Semaphore : A synchronization variable that acquires on positive integer values. Invented by the Dijkstra P (semaphore): an atomic proce

Pthreads, A thread is defined as an independent stream of instructions that...

A thread is defined as an independent stream of instructions that can be scheduled to run as such by the operating system. Each program contains a number of threads which can be ru

Ipc, Explain in detail about ipc in linux

Explain in detail about ipc in linux

Semaphore examples, Ok so i think i got this right by not 100% on this. wha...

Ok so i think i got this right by not 100% on this. what I want to figure out is if there are x visitors that can line up for a ride but only 1 passenger can get on the ride at a t

Cpu scheduling alogarithm program in javascript, a program that can do cpu ...

a program that can do cpu scheduling algorithm priority using javascript or php to display gaant chart and calculate waiting and average waiting time

Unix and linux commands, To explore the UNIX file system, use basic UNIX co...

To explore the UNIX file system, use basic UNIX commands and use a text editor. Task:   1.      Logon to Linux. 2.      Create a directory "Unix" under your home d

Operating system abstractions, When we download a movie from the Internet, ...

When we download a movie from the Internet, we don't care about, say, packet sizes. However, even ifwe are not aware of howlow-level details of networks are implemented, our data i

Buffer, What is bounded buffer

What is bounded buffer

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