bus 音標拼音: [b'ʌs]
n . 公共汽車
公共汽車
bus 匯流排
bus 多匯流排
bus 匯流排
bus n 1 :
a vehicle carrying many passengers ;
used for public transport ; "
he always rode the bus to work " [
synonym : {
bus },
{
autobus }, {
coach }, {
charabanc }, {
double -
decker }, {
jitney },
{
motorbus }, {
motorcoach }, {
omnibus }, {
passenger vehicle }]
2 :
the topology of a network whose components are connected by a busbar [
synonym : {
bus topology }, {
bus }]
3 :
an electrical conductor that makes a common connection between several circuits ; "
the busbar in this computer can transmit data either way between any two components of the system " [
synonym : {
busbar }, {
bus }]
4 :
a car that is old and unreliable ; "
the fenders had fallen off that old bus " [
synonym : {
bus }, {
jalopy }, {
heap }]
v 1 :
send or move around by bus ; "
The children were bussed to school "
2 :
ride in a bus 3 :
remove used dishes from the table in restaurants Bus \
Bus \,
n . [
Abbreviated from omnibus .]
An omnibus . [
Colloq .]
[
1913 Webster ]
busbar 66 Moby Thesaurus words for "
bus ":
auto ,
autobus ,
autocar ,
automobile ,
barge ,
bicycle ,
bike ,
boat ,
buggy ,
cab ,
car ,
cart ,
catch a train ,
chartered bus ,
chauffeur ,
coach ,
crate ,
cycle ,
diligence ,
double -
decker ,
dray ,
drive ,
entrain ,
ferry ,
float ,
go by rail ,
hack ,
haul ,
heap ,
hired car ,
jalopy ,
jitney ,
joyride ,
lighter ,
machine ,
mail coach ,
make a train ,
motor ,
motor coach ,
motor vehicle ,
motorbus ,
motorcar ,
motorcycle ,
motorized vehicle ,
omnibus ,
pedal ,
post coach ,
raft ,
ride ,
ship ,
sled ,
sledge ,
stage ,
stagecoach ,
take a joyride ,
taxi ,
taxicab ,
truck ,
tub ,
van ,
voiture ,
wagon ,
wheel ,
wheelbarrow ,
wheels ,
wreck A set of electrical conductors
wires , PCB tracks or connections in an {integrated circuit })
connecting various "stations ", which can be {functional units }
in a computer or {nodes } in a {network }. A bus is a
broadcast } channel , meaning that each station receives every
other station 's transmissions and all stations have equal
access to the bus .
Various schemes have been invented to solve the problem of
collisions : multiple stations trying to transmit
at once , e .g . {CSMA /CD }, {bus master }.
The term is almost certainly derived from the electrical
engineering term "bus bar " - a substantial , rigid power supply
conductor to which several connections are made . This was
once written "'bus bar " as it was a contraction of "omnibus
bar " - a connection bar "for all ", by analogy with the
passenger omnibus - a conveyance "for all ".
More on derivation (http ://foldoc .org /pub /misc /omnibus .html )}.
There are busses both within the {CPU } and connecting it to
external {memory } and {peripheral } devices . The data bus ,
address bus and control signals , despite their names , really
constitute a single bus since each is useless without the
others .
The width of the data bus is usually specified in {bits } and
is the number of parallel connectors . This and the {clock
rate } determine the bus 's data rate (the number of {bytes } per
second which it can carry ). This is one of the factors
limiting a computer 's performance . Most current
microprocessors } have 32 -bit busses both internally and
externally . 100 or 133 {megahertz } bus clock rates are
common . The bus clock is typically slower than the processor
clock .
Some processors have internal busses which are wider than
their external busses (usually twice the width ) since the
width of the internal bus affects the speed of all operations
and has less effect on the overall system cost than the width
of the external bus .
Various bus designs have been used in the {PC }, including
ISA }, {EISA }, {Micro Channel }, {VL -bus } and {PCI }. Other
peripheral busses are NuBus , TURBOchannel , VMEbus , MULTIBUS and
STD bus .
See also {bus network }.
Ukranian (http ://open -taxi .com /mynews /~adrian /10 )}.
2010 -07 -10 )
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