Why do we need dma, Computer Engineering

Assignment Help:

Why do we need DMA?

DMA is used to transfer the block of data directly among an external device and the main memory without the continuous intervention by the processor. 

 


Related Discussions:- Why do we need dma

Breadth first search, Breadth First Search: Given a set of operators o...

Breadth First Search: Given a set of operators o1, ..., on in a breadth first search, every time a new state is reached, an action for each operator on  s  is added to the bot

Disadvantages of edi(electronic data interchange), Disadvantages  1.  T...

Disadvantages  1.  The X12 standard is so large and general  2.  EDI communications negotiate a technical agreement to explain exactly what subset of EDI they will use

3D rotation, Magnify a triangle with vertices A = (0,0), B = (3,3) and C = ...

Magnify a triangle with vertices A = (0,0), B = (3,3) and C = (6,4) to twice its size in such a way that A remains in its original position.

Define the difference between union and structure, Define the difference be...

Define the difference between union and structure The main difference between union and structure is the storage allocation. In Union , for each variable the compiler allocates

Explain the linux from scratch system, Problem 1 (a) Explain the RAID ...

Problem 1 (a) Explain the RAID system and explain all possible configurations. (b) Summarize design goals, features and specifications of the Linux ext2 file system. (c

Explain bitwise-and operator, Bitwise-AND Operator: & AND-expression : ...

Bitwise-AND Operator: & AND-expression : relational-expression AND-expression & equality-expression The bitwise-AND operator (&) compares each bit of its first operand t

Explain call by value and call by reference, Call by value and Call by refe...

Call by value and Call by reference Call by value means sending the values of the arguments- The value of each of the original arguments in the calling function is copied in

Significance of having less memory references, Q. What is the significance ...

Q. What is the significance of having less memory references? As the time needed for memory reference is more than that of a register reference so increased number of memory r

What do you mean by data distribution, Q. What do you mean by Data Distribu...

Q. What do you mean by Data Distribution? Data distribution directives tell compiler how program data is to be distributed among memory areas connected with a group of processo

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