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

What are the two primary models of supply chain management, What are the tw...

What are the two primary models of Supply Chain Management? The Two Primary models of Supply Chain Management are:- 1.  Porter's Value Chain Model 2. Supply Chain Model

Explain serial execution and parallel execution, Serial Execution Exe...

Serial Execution Execution of a program serially, one statement at one instance of time. In the simplest case, that's what takes place on a one processor machine. But even mo

Multidimensional arrays defined in terms of an array, How is multidimension...

How is multidimensional arrays defined in terms of an array of pointer? An element in a multidimensional array like two-dimensional array can be shown by pointer expression as

Applications of microprogramming - computer architecture, Applications of M...

Applications of Microprogramming: Microprogramming application:: emulation o   Use of a micro program on 1 machine to execute programs initially written to run on ano

Explain working of jaz drive, Q. Explain working of Jaz Drive? Jaz Dri...

Q. Explain working of Jaz Drive? Jaz Drive: Jaz drive is a well-liked drive with 2GB and unleashes creativity of professionals in graphic design and software development, pub

When recursion functions are declared inline, Describe what happens when re...

Describe what happens when recursion functions are declared inline? Ans) Inline functions property says whenever it will call; it will copy the whole definition of that functi

What do you mean by removable drives, A disk drive with removable disks is ...

A disk drive with removable disks is known as removable drive. A removable disk can be replaced by other similar disk on same or different computer so providing huge data storage w

Give the decription of user case, Give the decription of user case A us...

Give the decription of user case A use case is a description of the set of the sequence of actions which a system performs to produce an observable result which is of a value t

How to access the disk data, Q. How to Access the Disk Data? Disks oper...

Q. How to Access the Disk Data? Disks operate is semi-random mode of operation and generally referenced block wise. The data access time on a disk comprises two major component

TITLE: Signals for digital communications, DETERMINE ANALYTICALY IF THE SIG...

DETERMINE ANALYTICALY IF THE SIGNAL IS PERIODIC OR NOT - X[n] = 4Cos(Pi 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