Why does dma have priority over the cpu, Computer Engineering

Assignment Help:

Why does DMA have priority over the CPU when both request a memory transfer?

The data transfer monitored by DMA controller which is called as DMA channel. The CPU is included only at the starting and end of the transfer, when the CPU wishes to read or write a block of data, it issues a command to DMA Channel by sending read/write operation, address of I/O, number of words to be read or written, as DMA have priority over the CPU when both request a memory transfer.

 


Related Discussions:- Why does dma have priority over the cpu

Eme, state function and path function

state function and path function

Determine the benefits of mainframe computers, Determine the benefits of ma...

Determine the benefits of mainframe computers Government agencies, large businesses, and universities usually use this type of computer. So: This computer is common t

Explain common control, Explain Common Control. Common Control: Those...

Explain Common Control. Common Control: Those systems wherein the control subsystem is outside the switching network are termed as common control switching system. Therefore,

Explain the parallel data storage - application of flip flop, Explain the P...

Explain the Parallel Data Storage - application of flip flops? In digital systems, data are usually stored in groups of bits that represent numbers, codes, or other information

What is public key cryptography, What is Public Key Cryptography Publi...

What is Public Key Cryptography Public-key cryptography is a form of modern cryptography which permits users to communicate safely without lastly agreeing on a shared secret

Database, er table for hospital management system

er table for hospital management system

What do you mean by communication traffic, Q. What do you mean by Communica...

Q. What do you mean by Communication Traffic? Communication Traffic offers a pictorial view of communication traffic in interconnection network with respect to time in progress

The new optimal solution, Electrocomp's management realizes that it forgot ...

Electrocomp's management realizes that it forgot to contain two critical constraints. In particular, management decides that to make sure an adequate supply of air conditioners for

Design issues of interconnection network, Design Issues Of Interconnection ...

Design Issues Of Interconnection Network The following are the problems, which should be considered while preparing an interconnection network. 1)   Dimension and size of n

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