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Why does DMA have priority over the CPU when both request a memory transfer?
The data transfer monitored by DMA controller which is called as DMA channel. The CPU is included only at the starting and end of the transfer, when the CPU wishes to read or write a block of data, it issues a command to DMA Channel by sending read/write operation, address of I/O, number of words to be read or written, as DMA have priority over the CPU when both request a memory transfer.
Define the Unified Modelling Language (UML) is used to express construct and relationships of complex systems. This was created in response to a request for proposal (RFP) fro
EPROM contents can be erased by exposing it to ? Ans. By exposing EPROM contents to Ultraviolet rays, it can be erased. The Ultraviolet (UV) light passes throughout a window i
how to write mobile keypad program in c++
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Define static memories? Memories that consists of circuits capable of retaining their state as long as power is applied is known as static memories
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