Explain the term overlays, Computer Engineering

Assignment Help:

Explain the term Overlays.

An overlay is an element of program that has the same load origin as several other part of the program. These are used for reduce the main memory requirement of a program. If the problem arises when the size of program exceeds the memory size, so overlays are used. Structure of these programs contains a permanently resident portion, termed as the root.

A set of overlays

To begin with, the root is loaded in memory and specified control for the reasons of execution. Another overlays are overwrites a previously loaded overlay along with similar load origin, this reduces memory requirement of a program. This is also possible to execute programs that size exceeds the memory size.


Related Discussions:- Explain the term overlays

What are ramps, Ramps A network planning method that makes the most wel...

Ramps A network planning method that makes the most well-organized use of manpower, materials and cash resources between several projects going on concurrently.

Describe the analytical engine by babbage, THE ANALYTICAL ENGINE BY BABBAGE...

THE ANALYTICAL ENGINE BY BABBAGE: It was general use computing device that could be used for performing any types of mathematical operation automatically. It contains the follo

What is an on"*-input filed" statement, What is an on"*-input filed" statem...

What is an on"*-input filed" statement? ON *-INPUT The ABAP/4 module is known as if the user has entered the "*" in the first character of the field, and the field has th

What is an assembly language, An assembly language is a? Ans. Low level...

An assembly language is a? Ans. Low level programming language is an assembly language.

Engineering maths, calculate dy/dx if y=[x-cos(1/cos(xe/2x))]/x

calculate dy/dx if y=[x-cos(1/cos(xe/2x))]/x

Explain about distributed systems, Q. Explain about distributed systems? ...

Q. Explain about distributed systems? A Distributed System in that Data, Process and Interface component of information System are distributed to many locations in a computer n

Rules for minimisation using k maps, 1) All squares containing a 1 must be ...

1) All squares containing a 1 must be grouped. 2) The largest possible groups must be formed. 3) Groups can overlap if this allows larger groups to be formed. 4) Groups mu

Principles of contract law, Andrew, a 17 zear old university student decide...

Andrew, a 17 zear old university student decided to hold a post exams party for his friends. Andrew asked Kath, a family friend and the owner of 'Kath's Katerers' to supply food

Explain the working of linker, Explain the Working of Linker? Linker a...

Explain the Working of Linker? Linker as well called as link editor and binder. A linker is the program that combines object modules to form an executable program. Several pro

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