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Subyect - Compubm Oepaen'sabion & frrchitectun
Tapen Code- Keg 302hor an
organism!
comput 07 Arnal
deplo Know le dye x
implimentation of a
defins the e system
om jem
smputer systen
sed Propealy *
In penerol fern /-
fectuu:~ Th anchifectoa of a ¢
considered ay a catalouge
Aneto con visible to the User Such os
number of bids used fox data , Addze
Orgoni sation +
eS : Organisation of a computer
the wy system is stucted
cms geet toe com be used We significant
* Computer oxgamisahon
as aw ALu,
Memory amd Memory Organisation .
L Computer Oraanica
ne ted © compuiey Ougavia tn J
arehitectune
archilechre is con
Jancwoare Com ponend with tm shttehn ond
Lam zs ow of g Com puden Susten
hav
% Seen y the sey.
@4 deal, with the Com ponen
& Conmction in a Systemarchitec tw
gyslem «
tious wah
r terms of inghucti
» Addwessing nade and
POM — am
~ iy
designing @ compuley
System — archi fecluu, by omsice
dst
© Computer exch
toith high
@ Archi tecdune Imvolves
se ioe Sets aduressi
% + cache optimisation
Hectaw, deals
level design issus,
lope, ©
; bul us|
stand the fmctinally
® Orgcmisation involves
‘mades| Com
dilly a
chon
® Com pudiy organisa ri
hos vee ‘ofl tha Ont Be
the system annanged
\nlerconnected «
he
® Oranisalion express om
nents tion pachilec
© Owgamisction jh dome om He
Basis of architec we -
© computes organisation Low
bevel design —Tsguas ;
weld
Coixcuit desis ee
exiphow, §
Signal ,system Bu! sel of clectrital wives used 40 commct amulif
device, im a campuly system + .
conmect mayer comp components Copy, Memory, 1/ dev! 6
= System Bu.
‘ +
ilo bls Addmeas Gis, control Bus
Dada Buy :- ® B- Oivectional
© Comies data Limstruction
Cawyp data from CAL 4p Memoyy /
Bus i- @ yp:
= o Umi ~ Dixec tiemal
a
2
=
=
=
>
Address Ty device and uice - Verd
addres x
con gan Cony from cpu to Memory | Tm device only “=
’
.J called
ith a= : can hyo bus ls 4
=o 5 tha mumber of EY
Gu, width
Data Buy: - comoyy 92. bits of iota *
Addsess Gus +- Coy 16 bils address -
ee Sus le
tO
‘ Bus
ledented Que Multiplexed Bus
© Bus pewmonentty assigned fo ond fmcion «
@ Reguius Sepewle bus x dada amd Addacss -
Tmcreosed cost due 4p multiple number of bushes .
tre 84 Conform +
met Complexify »
‘iy Gomperty 35 th criterya
nee of am ia
) Time Complex:
fox audgiy the perform
") Space complexity
Mulliplex fu s—
GSame Gus ds wed toy different motions «
RSet bw fox dain ond Addaess «
be tty shoring bus.$3 Functional unrts
interconnachd
Dy» Other Sram ole
pu
3)
” Memory
Sh Contso) Unit
» A penoval pur
Known example of A
st of fue mon
Commmony used input devizey ona tay boands
Frack babs , amiovophans, etc. s
of a digital Computer system amd analy
Com pute is tw best
include telephone witching exchanyer*
amd digital
Components 4
r Arithmetic ond Logical Unit
ed, th Comrespon dig poten
TS cones
» Mouse,conto! unit? /
an ep compose af computer's cpu that coondinade, ths
- sO"
copenation of thy — poaces of essor . H tel6 the
Dy HE coondinad, tan oper f , j
computer amomory , cclinarshte Logic oni and input amd oud put
devices, for fo vespo 1S preggrarm's instouction s -
Th Conte) oni} 8 abo known oy ane musue center aka
Computer system:
Gentsal process ig Unit 3
Det 4s Comm known % CHU can be
cketonit cixculhy within 9 com pute®
ay — cavortes out the mse or given by
~sefleved as an
~~
>
2
>
>
>Bus pubitgetion
Bus arbitration 7—
Sus anbityation db a process which decide arn :
devices Tequosting fo use the Sysierd bus , which ons to gee
a 10 ~
ot bus.
[Tahoe of Bux, Aubitation |
ae — 4
© A single roa deviterccpo, PMA g “1 coy ipvold
hs ; u eure {
Crees 5 used to Acts ag in oe gelecon oF whi
a "rC Selector) ty decile wm ona wil use the buy
tumber of’ devices thot whos ‘Alrstly-
™ will use the bus 7
O Boy chong oy og
& Poll
OFrdeperdent- oequns
2 fois, chaning Method 1ling Method + — ee
© 4his method a get of Poll cout tins oe ee oy
& device from ao mumber of devices rsequasting Por bus:
One polls count Vis ar aachuly actiness lin «
DT bus ovbiby based om th Priority of device, allows the
; device having ight fpriosiby among Ans vvequated devices
me In ty mcd , A wnbor of devices maka. a request
“nj tub wenut ine
sor oie fist chick “tus gua i
active al y Wme cmd yf
,
Hs fed, »
As on pelos—Advondege :—
') Weduced cost due to commen tu, «
> Ont Module Qiks, endires Sybtem bus does mot fail
veut beiovity .
Disadvanta je s-
Dp Voll count tine increases ® mumber of devices incswarses
ae
Independent Requat s-
ah ti ‘mole a acquaxt using Sepeaare
BS west Control LinBus Arbiter
Buss,
Contolley
fy. Bock degeom ; Tad penden
saret tt
Advantage ;—
9 fet anbibation . j A
2 Spel Indpenient of umber o devibes canna
»
Visadua ee
D lame numbers of Control line»
® High cost due + large rwmber of bus tine»
Somme Ws Sistem foe Renislers Using mubiplex Cmux) +
No of bits in ea
ch Register = 4.
of Register usedTout iol Gate- A Thru - tock
rut - Stale Bus Suffers - i
Thowe - state Su «cane nine
A bus system Anat con be conteucted
gots ls called thut stat bus butler
gute ya d red cineult
thet show thu sits
4
D High Impedence Shoda
- A. Med halee sini s ®
kal
High impedence habe :- gh mpedence sla behave a
p a Set as) hy Conventional uff
gat clog with — ong conto} InoutEiinn!
conitinal _fepiiet_Teonslet— oe
, GO Gandifion Teenset cers only der Specie « ond
" Dit com be chown by H- ese experiment 1}
(pel) then (Ra &)
oho) js the conve! — binary —_uomiabl
Ht can be represented am
[Pi Ro
, SmgdRRes that transfes operation latins place by the
hada ony ff =) )
® Glock diagram
Fell topes _srancey oes
i he Rs, Rhy,
Koo panallel ™icroopecahions on the contents of
_— Repiter,
mm hat all
buss hay oo
exten fcen fontiiNole:- “Fruth table
two Input oR Gale!Now .compae devite with af
Mune B Js grater thin A
1B ds winner to use the bus fist
med “6 ald
Ban Elche. compererct that
infoemation 9 bits Her
Repiles orm be tuo bi Regislee> ht 8 8 -Pit ABE
Rpistes uses the’ colt io hold tm bit te callie tigen
‘Tybes of Aeaistor 2
- MAR C memory. address fegéler)
@ mar | Cutles
BMoR ¢ Nol
Oto ¢ Progzamn countey
@ AR (Accumulator Registet
OTR Conshuchon Repis tex)
@ Reaiatex > Volatile Memory
(Temporary, Memo )
@ Accosding ts Speed :
Register
)
)
\
)
+
Cache -m
4 sat
* ‘mayMi
icroopenstions '- The, opesatins the dola in Renistey
Collad smicweperations *
Tra functons builh into Register |
® Fncwement £ Many move »