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10 Cards in this Set
- Front
- Back
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Direct Memory Access (DMA) provides a way for devices to place large amounts of data in RAM without requesting __________ for each byte of data moved
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processor support
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What does DMA stand for?
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Direct Memory Access
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next
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next
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Older motherboards have ____ DMA channels
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four
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Newer motherboards have _____ DMA channels
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eight
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DMA 2 is always used by the __________
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floppy controller
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On most motherboards, DMA transfers operate at _________ Mhz
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4.7 (I am not totally sure about this.)
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On most motherboards, DMA transfers operate at 4.77 MHz, though some now offer ______ Mhz
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8 (I am not totally sure about this one.)
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(On newer motherboards) DMA channels 0 through 3 supporting ______ DMA and channels 4 through 7 supporting _______ DMA.
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8 bit, 16 bit
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DMA ____ is tied to the 16-bit bus, but transfers data only 8 bits at a time
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0
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