1 votes 1 votes KISHALAY DAS asked Nov 4, 2016 KISHALAY DAS 323 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes most suitable answer is C, DMA was introduced for large memory tranfer, as cpu should not be busy for memory tranfer so at the time of DMA access, system bus is transferred to DMA controller and CPU is busy doing processig rameshbabu answered Nov 4, 2016 rameshbabu comment Share Follow See all 3 Comments See all 3 3 Comments reply rameshbabu commented Nov 4, 2016 reply Follow Share can someone please explaing me option D, 0 votes 0 votes Pavan Kumar Munnam commented Nov 4, 2016 reply Follow Share answer should be D...DMA doesnot by pass the MMU of the OS....as DMA is initiated by the OS. 0 votes 0 votes rameshbabu commented Nov 7, 2016 reply Follow Share my reason for not selecting option D is, DMA would be inefficient for 1 byte transfer as DMA initiation overhead would be more than transferring 1 byte data 0 votes 0 votes Please log in or register to add a comment.
