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

Main drawbacks of cd-roms, Q. Main drawbacks of CD-ROMs? The main drawb...

Q. Main drawbacks of CD-ROMs? The main drawbacks of CD-ROMs are: It is read only thus can't be updated Access time is longer than that of magnetic disks. Very

Basic working of network layer, Q. Basic working of Network layer? Net...

Q. Basic working of Network layer? Network layer: Network layer is responsible for routing a packet within the subnet that is, from source to destination nodes across numerou

Define parameters used in program annotation, Q. Define Parameters used in ...

Q. Define Parameters used in Program Annotation? Parameters: A parameter refines and extends the meaning that assembler attributes to keyword in a statement.  Number of param

How do you find out if a linked-list has an end, By 2 pointers you can find...

By 2 pointers you can find it. One of them goes 2 nodes each time. The second one goes at 1 node each time. If there is a cycle, the one that goes 2 nodes every time will eventuall

Differences b/w user level and kernel supported threads, What are the diffe...

What are the differences between user level threads and kernel supported threads? A thread, sometimes termed a lightweight process (LWP), is a fundamental unit of CPU utilizati

What are the different pieces of the virtual address, What are the differen...

What are the different pieces of the virtual address in a segmented paging? The various pieces of virtual address in a segmented paging are as demonstrated below:

The field sy-stepl, The field SY-STEPL refers to The index of the scre...

The field SY-STEPL refers to The index of the screen table row that is presently being processed.  The system variable SY-stepl only has a meaning within the confines of LOOP.

Functions to remove common walls, We must also be able to remove common wal...

We must also be able to remove common walls between two cells. Write the function removewalls that accepts two cells and removes the wall that is common between the two (hint: any

Show the process management for parallel virtual machine, Q. Show the Proce...

Q. Show the Process Management for parallel virtual machine? Process Management  int pvm_mytid( void ) Returns the tid of the calling process. Tid values les

Illustrate 16-bit isa, Illustrate 16-bit ISA?  Compare it with 8-bit ISA bu...

Illustrate 16-bit ISA?  Compare it with 8-bit ISA bus.  The only difference between 8 and 16-bit ISA bus is that an extra connector is attached behind the 8-bit connector. 16-b

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