What are overlays, Computer Engineering

Assignment Help:

What are overlays?

To enable a process to be larger than the amount of memory allocated to it, overlays are used. The idea of overlays is to keep in memory only those instructions and data that are needed at a given time. When other instructions are required, they are loaded into space occupied previously by instructions that are no longer required.

 


Related Discussions:- What are overlays

Explain about param super computer, Q. Explain about PARAM Super computer? ...

Q. Explain about PARAM Super computer? PARAM is a high-performance, industry standard and scalable computer. It has developed from concepts of distributes scalable computers ma

Illustrate the execute cycle, Q. Illustrate the Execute Cycle? The fetc...

Q. Illustrate the Execute Cycle? The fetch and indirect cycles include a small, fixed sequence of micro-operations. Every one of these cycles has fixed sequence of micro-operat

Multiple instances of sql server 2000, How do I connect to an SQL Server in...

How do I connect to an SQL Server instance that is running on a machine with multiple instances of SQL Server 2000? Ans) Every instance of MS SQL Server must be listening on a d

Diffrence between RISC and CISC architecture, Q. Diffrence between RISC and...

Q. Diffrence between RISC and CISC architecture? CISCs provide better support for high-level languages since they include high-level language constructs such as CASE, CALL etc

What is virtual memeory, What is virtual memory? How address mapping is don...

What is virtual memory? How address mapping is done in cache memory? Elaborate your answer with examples.

Define the term ''turn-around'', The "turn-around" time of a user job is th...

The "turn-around" time of a user job is the? Ans. Total time taken to execute the job is called "turn around" time.

Main problems with evaluation functions, Main problems with evaluation func...

Main problems with evaluation functions: Superlatively, evaluation functions should be quick calculates. Wherever is chance they take a long time to estimate, so after then le

Explain the concept of switching, Question: (a) A computer network can...

Question: (a) A computer network can be a LAN or a WAN. Using appropriate diagrams and examples, explain what you understand by the term LAN. Your answer should also explain

Update -task updates, Update -task updates are Asynchronous updates.

Update -task updates are Asynchronous updates.

Explain cause effect graphing, Explain cause effect graphing . Cause-ef...

Explain cause effect graphing . Cause-effect graphing is a test case design method that gives a concise representation of logical conditions and corresponding actions.  The

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