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

How many bits require in TCP protocol header checksum, In TCP protocol head...

In TCP protocol header "checksum" is of___________? In protocol header of Transfer Control Protocol checksum is of 16 bits.

Implementation of logic micro-operations, Q. Implementation of Logic Micro-...

Q. Implementation of Logic Micro-operations? For implementationlet's first ask questions how many logic operations can be performed with two binary variables. We can have 4 pos

Interpeter, diifference between pure and impure interpeter

diifference between pure and impure interpeter

System software, System Software System software is a group of progr...

System Software System software is a group of programs written to service another programs. Some system software (e.g., compilers editors and file management utilities) proc

What is page stealing, What is Page stealing? Ans. Taking page frames o...

What is Page stealing? Ans. Taking page frames other working sets is called Page stealing.

Explain characteristics of program translation model, Explain characteristi...

Explain characteristics of program translation model. The program translation model characteristics are: A program should be translated before this can be executed.

What are the standard types of files produced, What are the standard types ...

What are the standard types of files produced? A PDF file is universally recognized by the internet and is also a secure image, given that an electronic footprint remains when

Explain data rates in public switched telephone network, Explain data rates...

Explain data rates in public switched telephone network. Data rates in PSTNs : A voice channel in a public switched telephone network is band restricted with a nominal bandwid

Illustrate what is pascal''s principle, Illustrate what is pascal's princip...

Illustrate what is pascal's principle? Answer:- Pascal's Principle declares that the pressure is transmitted evenly through a liquid. That's why when you pump up a balloon

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