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DMA channel
Direct Memory Access channel. A channel for transferring data
from your computer to its peripherals without involving CPU
resources.
DRAM
Dynamic Random Access Memory. A type of memory that
stores large amounts of information.
ECP
Extended Capabilities Port. The parallel port mode in your
computer that provides bidirectional signals for the parallel
port and includes other enhanced functions.
Expansion bus
An internal bus that provides high-speed connections for
option cards and built-in components that enhance the
performance of your computer.
Extended memory
Memory above 1MB that is accessed by 386-, 486-, and 586-class
processors operating in protected or virtual mode.
Flash ROM
Non-volatile, read/ write ROM that can be erased and
reprogrammed using the normal voltages inside your
computer. This capability provides the computer and its
peripheral devices with a means of storing data without
needing a constant supply of electricity.
G l o s s a r y 3
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