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

Central processing unit, Central Processing Unit: A Central Processing...

Central Processing Unit: A Central Processing Unit (CPU) in a computer system is an extremely fast device as compared to the main memory, but it can not work on its own. It de

Memory of computer, Memory : Computers store information internally as wel...

Memory : Computers store information internally as well as externally. Linked to CPU is an internal memory unit where all the instructions and data are stored. It contains the

Flowchart, Fahrenheit to celsius convertion

Fahrenheit to celsius convertion

ICT, what are the significance of telecommunications deregulation

what are the significance of telecommunications deregulation

Write a long note on the viewfinder of a camera, Question 1 What are the d...

Question 1 What are the different kinds of editing? Explain them in detail Question 2 Write a long note on the viewfinder of a camera Question 3 Describe the various typ

N-ary relationships in database design, n-ary relationships in database des...

n-ary relationships in database design Each n-ary where n>2 relationship type is maped into a table name of the relationship works as the name of the table. The primary key of suc

Define levels of abstraction in a dbms, Define Levels of Abstraction in a D...

Define Levels of Abstraction in a DBMS, explain briefly, Conceptual Schema, Physical Schema, External Schema

Probability, Mike sells on the average 15 newspapers per week (Monday – Fri...

Mike sells on the average 15 newspapers per week (Monday – Friday). Find the probability that 2.1 In a given week he will sell all the newspapers [7] 2.2 In a given day he will sel

Output design, Discuss the factors considered during output design

Discuss the factors considered during output design

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