Page 16 - Information_Practice_Fliipbook_Class11
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Htnct,n itn ouytn havtn an mroctyyingn unitn calltdn tntraln Proctyyingn Unitn ( PU).n Forn mroctyyingn ourn inytructony,n thtn
coomuttrnouytnbtnabltntonytortndatan(yuchnaynoarkynofnytudtntyninnanclayy)nandninytructony.n o,nancoomuttrnouytnhavtn
anotoorSnunit.n
Tonyuooariyt,nancoomuttrniynanntltctronicndtvictnthatnacctmtyninmutndatanfroonthtnuytr,nmroctyytynit,nandnmroductyn
rtyulty.nItncoomriytynthtnfollowingncoomontnty:nn(mltaytnyttnFign1.1):
● InmutnUnit
● tntralnProctyyingnUnitn( PU)
● MtoorSnUnit
● OutmutnUnit
Central Processing Unit
ontrolnUnit
Inmutn Arithottc/LogicnUnit Outmutn
Dtvict Dtvict
MtoorSnUnit
Fign1.1:n oomontntynofnancoomuttrnySytton(VonnNtuoannnArchittcturt)
Thtninmutnunit,n tntralnProctyyingnUnitn( PU),notoorSnunit,nandnoutmutnunitnconyttuttnthtnhardwartnofnancoomuttr.n
Anytqutnctnofninytructonyngivtnntonancoomuttrniyncalltdnanmrograo.nAncoomuttrnoanufacturtrnmrovidtynytvtraln
uytfulnmrograoynthatnhtlmnthtntndnuytrntonuytnthtncoomuttrnconvtnitntlS.nAnyttnofnmrograoynthatnmtrforoynanuytfuln
taykniyncalltdnyoftwart.nnInncontraytntonthtncoomuttrnhardwart,nthtnyoftwartniynnotnviyibltntonthtnhuoanntSt.nAn
coomuttr,nhavingnytvtralninmut-outmutndtvicty,niynalyoncalltdnancoomuttrnySytto.nFign1.2nmrtytntynthtnIPOncScltn
("Inmutn>nProctyyn>nOutmut"ncSclt),nwhichnrtmrtytntynthtnytqutntalnytagtynthroughnwhichndatanornactonynflowninn
anySyttonwhtrtninitalndatan(inmut)niyntranyforotdn(mroctyy)ntonmroductnanrtyultn(outmut),nwhichncannthtnninflutnctn
yubytqutntnactonyn(inmut).
Electronic Numerical Integrator and Computer (ENIAC) was the first electronic programmable computer.
INPUT
OUTPUT PROCESS
Fign1.2:nIPOn Scltn
2 Touchpad Informatics Practices-XI

