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Ø n ENIA n(EltctronicnNuotricalnInttgratornandn alculator)nwaynthtnfirytntltctronicncoomuttrndtvtlomtdninn1947n
atnthtnUnivtryitSnofnPtnnySlvanianinnthtnUnittdn tatty.
Ø n GramhicnUytrnInttrfactn(GUI)nttchnologSnwaynutiliytdntonmrovidtntnhanctdnuytnrncoofort.
Ø n tntralnmroctyyingnunitniynthtnbrainnofnanSncoomuttrnySytto.
Ø n Thtrtnartnthrttnbayicncoomontntyninnthtn PU-nArithotticnLogicnUnit,n ontrolnUnitnandnRtgiyttr.
Ø n Rtgiyttrynartnyoallndatanholdingnartaynwithinn PUnthatnholdndata,ninytructionynandnotoorSnaddrtyynduringn
thtnmroctyying.
Ø n Thtn Arithotticn Logicn Unitn (ALU)n ofn thtn PUn mtrforoyn alln arithotticn (+,-,*,/)n andn logicaln (>,<,>=,<=,<>)n
omtrationy.
Ø n Thtn ontrolnUnitn( U)ncontrolynthtntxtcutionnofninytructionynandnthtnflownofndatanaoongytnthtncoomontntynofn
ancoomuttr,ni.t.,nfrooninmutndtvictyntonotoorS,notoorSntonALUnandnvictnvtrya,nandnfroonotoorSntonoutmutn
dtvictyn.
Ø n Anoicromroctyyorniynan PUnonnanyingltnchim.nItniynbuiltnaynanninttgrattdncircuitn(I ),nmoyyiblSncoomriyingnoillionyn
ofncircuity.
Ø n Anninmutndtvictntaktyninmutnfroonanuytrninnthtnforonofndatanorninytructiony.n ootnofnthtncoooonlSnuytdninmutn
dtvictynartnKtSboard,nMouyt,n canntr,nLightnPtn,nOmticalnMarknRtadtrn(OMR),nttc.
Ø n Thtnoutmutndtvictynrtctivtndatanfroonancoomuttrnandndtlivtrnthtndtyirtdnoutmutnonnanyuitabltndtvictnfornan
uytr.n ootnofnthtncoooonlSnuytdnoutmutndtvictynartnMonitor,nPrinttr,nPlotttry,nttc.
Ø n AncoomuttrnySytto'ynotoorSnunitn(alyoncalltdnanytoragtnunit)niynuytdntonytortndatanandninytructiony.
Ø n ThtnoainnotoorSnofnancoomuttrniynalyonknownnaynRAM,nwhichnytandynfornRandoonAcctyynMtoorS.
Ø n DataniyntranyftrrtdnbttwttnndifftrtntncoomontntynofnancoomuttrnySyttonuyingnPhSyicalnconntctionyncalltdn
buyty.
Ø n Datancamturingnrtftryntonthtnmroctyynofncolltctingnandnrtcordingninforoationnfroonvariouynyourctyn.
Ø n Thtnttrondatanytoragtnrtftryntonthtnmroctyynofnytoringndigitalninforoationninnanytcurtnandnacctyyibltnoanntr.
Ø n Datanrttritvalnrtftryntonthtnmroctyynofnacctyyingnandnrtcovtringndatanthatnhaynbttnnnytortdninnandigitalnforoat.
Ø n oftwartniynanyttnofninytructionynwritttnntonachitvtnthtndtyirtdntaykynandniynoainlSncattgoriztdnaynySytton
yoftwart,nandnammlicationnyoftwart.n
Ø n Sytton oftwartn mrovidtyn bayicn functionalitSn ton omtrattn an coomuttr.n Exaomltyn ofn ySytton yoftwartn artn
omtratingnySyttoy,nutilitity,ndtvictndrivtry,nandncoomiltry.
Ø n AnnomtratingnySyttonmrovidtynanninttrfactnbttwttnnthtnuytrynofnancoomuttrnandnthtncoomuttrnhardwartnyon
thatnthtSncannomtrattnthtncoomuttr.
Ø n AnySyttonutilitSnhtlmyninnthtnyooothnfunctioningnofnthtnySytton.
Ø n Dtvictynyuchnaynmrinttrynandnoouytnthatndonnotnforonmartnofnthtnoainncoomuttrnartncalltdnmtrimhtralndtvicty.
Ø n AmmlicationnyoftwartniynanyttnofnmrograoynntctyyarSntoncarrSnournomtrationynfornanymtcifitdnammlication.
Introductonnton oomuttrn Syttoy 21

