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

Dataflow computing, Dataflow Computing A different to the von Neumann m...

Dataflow Computing A different to the von Neumann model of computation is the dataflow computation model. In a dataflow model, control is fixed to the flow of data. The order o

What is meant by inferring latches, What is meant by inferring latches, how...

What is meant by inferring latches, how to avoid it? Consider the following: always @(s1 or s0 or i0 or i1 or i2 or i3) case ({s1, s0}) 2'd0: out = i0; 2'd1: out =

What is mini frame size where propagation speed is 200 m µs, A CSMA/CD bus ...

A CSMA/CD bus spans a distance of 1.5 Km. If data is 5 Mbps, What is minimum frame size where propagation speed in LAN cable is 200 m µs. Usual propagation speed in LAN cables

Explain the concept of process, The Concept of Process Unofficially a p...

The Concept of Process Unofficially a process is a program in execution subsequent to the program has been loaded in the main memory. Though a process is more than just a progr

Minimis logic function using K-map, Minimise the logic function F (A, B, C,...

Minimise the logic function F (A, B, C, D) = Π M (1, 2, 3, 8, 9, 10, 11,14) ⋅ d (7, 15) Use Karnaugh map.   Ans. Given function F=∏M(1,2,3,8,9,10,11,14).d(7, 15) F'=B'D+B'C+AC+AB'

What is uml architecture, Takes care structural and behavioural aspect of a...

Takes care structural and behavioural aspect of a software system. Contains software usage, functionality, performance, economic, reuse, and technology constraints.

What is nv-ram, Nonvolatile Read Write Memory, also kown as Flash memory. I...

Nonvolatile Read Write Memory, also kown as Flash memory. It is also called as shadow RAM.

What do you mean by internet, Q. What do you mean by Internet? Ans: In...

Q. What do you mean by Internet? Ans: Internet is a network of networks or collection of networks. Several networks such as WAN and LAN connected through suitable hardware an

Explain logical shift micro-operations, Q. Explain logical shift Micro-oper...

Q. Explain logical shift Micro-operations? In logical shift data entering by serial input to left most or right most flip-flop (which depends on right or left shift operations

Explain normans execution-evaluation cycle model, Question 1: (a) How ...

Question 1: (a) How would you explain human reasoning? (b) Explain the different types of human reasoning? Question 2: (a) What are the computational factors affec

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