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Question

DMA stands for ________________.

A
Direct Memory Access
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B
Distinct Memory Access
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C
Direct Module Access
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D
Direct Memory Allocation
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Solution

The correct option is A Direct Memory Access

DMA stands for Direct Memory Access.

DMA Stands for "Direct Memory Access." DMA is a method of transferring data from the computer's RAM to another part of the computer without processing it using the CPU. ... For example, a PCI controller and a hard drive controller each have their own set of DMA channels.

A device facilitates DMA transfer with a processing element (single purpose processor) and that device is called DMAC (DMA Controller). DMA based method useful, when a block of bytes are transferred, for example, from disk to the RAM or RAM to the disk. CPU acknowledges that if the system memory buses are free to use.

Direct Memory Access (DMA) is a capability provided by some computer bus architectures that allows data to be sent directly from an attached device (such as a disk drive) to the memory on the computer's motherboard. ... Usually a specified portion of memory is designated as an area to be used for direct memory access.


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