description of external hardware interruptions, Basic Computer Science

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.
Posted Date: 5/4/2012 7:37:18 AM | Location : United States







Related Discussions:- description of external hardware interruptions, Assignment Help, Ask Question on description of external hardware interruptions, Get Answer, Expert's Help, description of external hardware interruptions Discussions

Write discussion on description of external hardware interruptions
Your posts are moderated
Related Questions
Computer as a Data Processor: The main function of a computer is to process the input data according to a specific program to produce the desired output. This is the reason wh

design a synchronous, recycling, MOD-12 counter with D FF''s. Use the states 0000 through 1011 in the counter.


What is methods For handling Deadlocks?

Spidering or Web crawling: Spider or Web crawler is a computer program that browses the web pages of WWW in a systematic, automated manner. Search Engines use spider for gett

Question 1 What are the differences between closed and open systems? Question 2 What are the characteristics of a good documentation? Question 3 What are the steps invol

How to make an assignment entitled "Decision Making: Forecasting" and I am required to make a pseudocode and flowchart based on the task.

what is computer? explaine the block diagram of a general purpose digital computer.

QUESTION Your Library is currently offering access to the Internet for its subscribers on a fee paying basis. Subscribers should make a booking for each slot of one hour in adv

Question 1 Explain the protection features of MS Access? 2 What is Query Parameter? 3 What are the steps to be taken for improving performance of Microsoft Access database? 4 W