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

Special-purpose and general-purpose computers, SPECIAL-PURPOSE AND GENERAL-...

SPECIAL-PURPOSE AND GENERAL-PURPOSE COMPUTERS In general, there are two types of digital computers. The first is the special-purpose digital computer, which performs a f

Project management, #Assignment 1: Project Management and Information Secur...

#Assignment 1: Project Management and Information Security Write a two to three (2-3) page paper that addresses the following: Explicate in detail the importance of project managem

Mr, Please what is the different between computer science and information t...

Please what is the different between computer science and information technology? Which of this require too much reading? Thanks

Description of Instruction execution, When software is installed onto a mod...

When software is installed onto a modern day personal computer (most commonly from a CD-ROM, though other media or downloading from the internet is also common), code comprising th

Telecommunications network, Telecommunications network: "A telecommuni...

Telecommunications network: "A telecommunications network, at its simplest, may be regarded as comprising a transmission network, an arrangement of transmission paths and swit

Creating Navigational Buttons in Oracle, Need some help in creating custom ...

Need some help in creating custom forms navigational buttons in oracle 10g

Introduction to FCB , There are two kinds of FCB, the normal, whose length...

There are two kinds of FCB, the normal, whose length is 37 bytes and the expanded one of 44 bytes. The FCB is created of data given by the programmer and by data which it takes dir

Read only memory (rom), Read only memory (rom): The problem with RAM is...

Read only memory (rom): The problem with RAM is that its memory is volatile, i.e. it loses all its data when the power supply is removed.  A non-volatile memory is a permanent

Telecommunications, Telecommunications: 'Data communications', 'Commun...

Telecommunications: 'Data communications', 'Communications technology', 'Computer telecommunications', Compunications', 'Telecomputing', etc., are just some of the terms we co

How to Open a FCB files?, Opening files 0FH function is used to open an F...

Opening files 0FH function is used to open an FCB file the 21H interruption. The element, the name and extension of the file must be initialized previous to opening it. The DX regi

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