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10 Cards in this Set

  • Front
  • Back
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
processor support
What does DMA stand for?
Direct Memory Access
next
next
Older motherboards have ____ DMA channels
four
Newer motherboards have _____ DMA channels
eight
DMA 2 is always used by the __________
floppy controller
On most motherboards, DMA transfers operate at _________ Mhz
4.7 (I am not totally sure about this.)
On most motherboards, DMA transfers operate at 4.77 MHz, though some now offer ______ Mhz
8 (I am not totally sure about this one.)
(On newer motherboards) DMA channels 0 through 3 supporting ______ DMA and channels 4 through 7 supporting _______ DMA.
8 bit, 16 bit
DMA ____ is tied to the 16-bit bus, but transfers data only 8 bits at a time
0