National Instruments DIO 6533 User Manual page 110

Glossary
A
A
AC
ACK
address
ANSI
asynchronous
B
b
B
base address
bus
C
C
clock
CMOS
CPU
CPULL
DIO 6533 User Manual
amperes
alternating current
acknowledge signal
character code that identifies a specific location (or series of locations)
in memory
American National Standards Institute
hardware—a property of an event that occurs at an arbitrary time,
without synchronization to a reference clock
bit—one binary digit, either 0 or 1
byte—eight related bits of data, an eight-bit binary number. Also used
to denote the amount of memory required to store one byte of data.
a memory address that serves as the starting address for programmable
registers. All other addresses are located by adding to the base address.
the group of conductors that interconnect individual circuitry in a
computer. Typically, a bus is the expansion vehicle to which I/O or
other devices are connected. Examples of PC buses are the AT, EISA,
and PCI bus.
Celsius
hardware component that controls timing for reading from or writing to
groups
complementary metal-oxide semiconductor
central processing unit
control pullup/pulldown selection
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