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Question
In the field of microprocessor what is DMA?why it is used?
 Question Submitted By :: Sorav
I also faced this Question!!     Rank Answer Posted By  
 
  Re: In the field of microprocessor what is DMA?why it is used?
Answer
# 1
DMA means Direct memory access, its used to get data's from
memory devices.....

U can see that an DMA controller is used to get data's from
floppy disk
 
Is This Answer Correct ?    0 Yes 0 No
Srinivas
 
  Re: In the field of microprocessor what is DMA?why it is used?
Answer
# 2
DMA-Direct Memory Access.It means microprocessor can access 
datas present in the external memory (can be 
ROM,DRAM,EEPROM,etc) without CPU.
 
Is This Answer Correct ?    0 Yes 0 No
Nithyalakshmi
 
 
 
  Re: In the field of microprocessor what is DMA?why it is used?
Answer
# 3
DMA basically used for speed up the data transfer 
using DMA it is possible to get fast data.....
 
Is This Answer Correct ?    0 Yes 0 No
Rahul
 
  Re: In the field of microprocessor what is DMA?why it is used?
Answer
# 4
DMA means Direct memory access ''for fast transfer of data 
between I/O devices and Memory devices and does not involve 
the microprocessor''
 
Is This Answer Correct ?    4 Yes 0 No
Vivek Gautam
 

 
 
 
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