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individual bits of the segisters pouided that the Compinent B
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four bits.
ket thbe conbent o R be erAUB NAND
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Betioutng oge computation ; RI 4. Selectiue Set.
JOD Content 2. Seleciue Complimerb.
t100 Content
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OlIO Conbent D} Ri a7ter Pal
H Mask operation.
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pestom
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Siabeen Kogie Micooperation: MUX
A S, So Output Opesatton
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shtti 2.Circula copevations *Sbt
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o SO 8sténesselectiorn tusp The *
bfts. uo other Lavly
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otb?h bour1 muEipleers
tbe MUX1egsters, the
tout multiplazas
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32b Sht Ai!
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2I 3 2IO 3 ao 3
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MUXD MUX1 MUX a MUXB
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So
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o bits tou Tegister Cach Cigci)
has
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bus. the om placad then tomation
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Tbe R
with system
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a
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Sb'ct-agt -anithmetic ashl
MULTIPLExERS sINe BUSCOMMON
buutb Tri-state mutiplazersa
shit-igbt ash-asthmetiec
umg busCommon about wite
 conneched to No moe han One
The tuop selocion lines s, 8So
ane selection qéven time. butter may be in actiue statt at any
be connected bueis must be contolled so hat
"The Seloction lines chopse the
bits qt one comput rogste, thee-State
butte bas access to bus line uobich
only
common bus.
tanser thern nto the - Line cohile all
othey bubters are maintained in a high-impedane stotte.
" when S, So 200, thenO data inputs ot all kour multips To construct a
ar selecbed B appied to the outputs tbat brom the bus commonbus for H 7egistets o bits each
tyee-state bubteys. we ned i chceils it hout
"T5is Causes H* bus lines to ecieve the contenc oeqiste bukkes in each as shoun in faca)
A ine the outputs bt this egisbas ase Connecded
to the each qrcup tour buhters gecleues one siqniieant bit brm
O data
trpul's mtiplzess smlanly egisber Bis selacted H egisters Cach comMon olp produces one o the lines
common bus fo a total D nes. Only one dacodey
.Tabte(2) shows the registerby bus bo each the is meces savy to select b/w the H Tegisteys.
Poseible binay value ie t of the selaction ines.
Bus éne hor bfto
Ao
So Registy Seleched
Bo
A
Co
Do

D
S
1

So docodehy 2
HREE (TR) -SRIE BUEkER Erable
The
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4The cps tu NOTE : Here E is decoder is to enable the decodey
buttes connected togeters to soma
sing bus Ene. E | or) ik E20 it is disable.
he conol inputs to buttes " Select ine ave înput °nes (sosi) ane to Select one the
inputs wil detemme oblch
communicate wfth the ot the po
bou outputs
bus Line
 eqiste fous (AyBi,Cin
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epyesents can similarly
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in
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Do,DCo,tetiCa,c
I e eo, Ao,Al,A2)
E AB each(ie 4-bit
considerigBl2,Baee
H are obsenue,
witTegisters
h we you ik Heve