description of external hardware interruptions, Basic Computer Science

Assignment Help:
External interruptions are produced by peripheral devices, for example keyboards, printers, communication cards, etc. They are also produced by coprocessors. It is not achievable to disable external interruptions.
These interruptions are not sent thoroughly to the CPU, but quite they are sent to an integrated circuit whose function is to exclusively handle this kind of interruptions. The circuit, called PIC8259A, is controlled by the CPU using for this manage a series of communication methods called paths.

Related Discussions:- description of external hardware interruptions

What is the need for an intelligent website?, Problem Hanson websites a...

Problem Hanson websites are built to work for your business and are built on the concept of intelligent website. An intelligent website is more than just a brochure on the web.

Telephobn directory, #que1) Create telephone directory. • The heading shoul...

#que1) Create telephone directory. • The heading should be 16-point Arial font in bold • The rest of the document should use 10-point font size • Other headings should use 10-point

Syntax - programming language, Syntax: Syntax provides the structure a...

Syntax: Syntax provides the structure and how to formulate the phrase or sentence w.r.t grammar of the language. It tells us about which composition is allowed from the charac

Right click on a folder, I want the detailed theory about the options which...

I want the detailed theory about the options which occur when we right click on a folder.

Nano programing, Nano programming using microcontrol and circuits

Nano programming using microcontrol and circuits

Idk, A rock weighs 33.6 N on Planet X and 49 N on Earth. What is g on Plane...

A rock weighs 33.6 N on Planet X and 49 N on Earth. What is g on Planet X

Algorithm and flowchart, Write an alogorithm to calculate the right angled ...

Write an alogorithm to calculate the right angled triangle

Array, An array A is said to be special if all its elements are same. Given...

An array A is said to be special if all its elements are same. Given an array, your task is to convert the array to special array by performing some operations. The allowed operati

Binary, Ask quwhat is binary estion #Minimum 100 words accepted#

Ask quwhat is binary estion #Minimum 100 words accepted#

Keystroke logger and data-stealing, Keystroke logger and Data-stealing: ...

Keystroke logger and Data-stealing: Keystroke loggers: This is a program, once installed on the system, which intercepts the keys when entering the password or the Credit Ca

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