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

Output devices, Output devices: One of the most important output devic...

Output devices: One of the most important output devices in computer system is its screen commonly called monitor. It is an output device and displays all the programs and app

Microprocessor, what is computer mapped input / output

what is computer mapped input / output

Define segments in assembly process?, The architecture of the x86 processor...

The architecture of the x86 processors forces with the use of memory segments to direct the information, the size of these segments is of 64kb. The cause of being of these segments

Syntax of a Procedure in assembly language, There are two kinds of procedur...

There are two kinds of procedures, the intrasegments, which are found on the similar segment of instructions and the inter-segments which can be stored on dissimilar memory segment

Write a note on modems, Question 1 Write a note on modems Question ...

Question 1 Write a note on modems Question 2 What are the Safe Chatting Rules Question 3 Explain three basic kinds of hypertext links Question 4 Write a no

Protocol, what protocol is used by DNS name server

what protocol is used by DNS name server

Artificial intelligence research, Artificial Intelligence research: Art...

Artificial Intelligence research: Artificial Intelligence research may be describe  in terms of how the following question has been answered: "How are we going to get a comp

Pipelining, tellme the types of pipelining

tellme the types of pipelining

Execute a command in operating system, Execute a command in operating syste...

Execute a command in operating system: In order to execute a command OS does the following steps:   It accepts a command from a user through mouse clicks or from t

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