
atirikt-3

atirikt-3,3-atirikt kinwa 10-atirikt-3 dviaadhari code (anekada xs-3,6xs kinwa x3 mhanoon sankshipt), sthanantarit dviaadhari kinwa stibitz code (1937 madhye rile-aadharit jode yantra tayar karananya george stibitz nantar) hii eka swayam-purak dviaadhari-kodit dashansh (bcd) code aanee sankhyatmak pranali aahe. heey pakshapati pratinidhitva aahe. atirikt-3 kodacha vapar kahee junya sangankanvar tasech 1970 chya dashkatil rokh nondani aanee hatane pakadata yenyajogya electronic ganakyantranmadhye itar upyogansah keela jaat asey.
pratinidhitva.
purvanirdharit sankhya "aine" chaa upayog karoon, purvanirdharit moolya mhanoon, sakaratmak aanee nakaratmak sankhyanchya santulit sankhyes mulyanche pratinidhitva karnyacha eka marg mhanje pakshapati sanket. pakshapati sanket (aanee rakhadi code) heey bharit nasalele sanket aahet. 3 peksha jaast kodmadhye, sankhya dashansh ank mhanoon darshavilya jaatat aanee pratyek ank chaar bitsdware ank moolya adhik 3 ("atirikt" rakkam) mhanoon darshavila jaatoh
127 sarkhya sankhyela encode karnyasathi, eka fakt varilpramane pratyek dashansh ankache encode karate, (0100,0101,1010) dete.
atirikt-3 ankganit samanya gair-pakshapati bii. see. dii. kinwa dwaiti sthitee pranali sankhyanpeksha bhinn algoridam vaparte. done atirikt-3 ank jodalyanantar, kachchya rakmechi rakkam 6 peksha jaast asate. udaharanarth, 1 (jastiche-3 madhye 0100) aanee 2 (jastiche-3 madhye 0101) jodalyanantar, tee rakkam 3 aivaji 6 (jastiche-3 madhye 1001) sarkhi disate. hii samasya sudharanyasathi, done ankanchi bharr ghalalyanantar, parinami aakada dashansh 10 peksha qamee asalyas dviaadhari 0011 (nihpakshapati dviaadharimadhye dashansh 3) vaja karoon kinwa overflo (carrie) jhaala asalyas dviaadhari 1101 (nihpakshapati dviaadharimadhye dashansh 13) vaja karoon atirikt purvagrah kadhoon takane aavashyak aahe. (4-biit binarymadhye, binary 1101 vaja karane heey 0011 jodnyaitakech aahe aanee ulat.)
prerana.
pakshapati nasalelya kodingpeksha atirikt-3 kodingcha prathamik fayda assa aahe qee, dviaadhari sankhya jitkya sahajpane 'purak' asoo shakate, titkya sahajpane dashansh sankhya nauu 'purak (vaja karnyasathi) asoo shakateh fakt serve bits ulatoon. tasech, jevha done atirikt-3 ankanchi berries 9 peksha jaast asel, tevha 4-biit yojakcha carrie biit jaast seet keela jaeel. heey karya karate kaaran, done ank jodalyanantar, 6 chya "atirikt" mulyacha parinam bereejmadhye hoto. kaaran 4-biit purnank keval 0 teey 15 moolye dharan karoo shakato, 6 peksha jaast mhanje 9 peksha jaast asaleli konatihi berries overflo hoil (eka krutee tayar karel).
aanakhi eka fayda mhanje 0000 aanee 1111 heey code konatyahi ankisathi vaparale jaat naheet. memory kinwa moolbhut pareshan reshet bighad jhalyas heey code houu shakatat. chumbakeey madhyamanvar shoonya namuna lihine dekhil adhik katheen aahe.
udaharanadakhal.
bii. see. dii. 8-4-2-1 teey atirikt-3 parivartak udaharan vhee. etch. dii. ell. madhyeh
ghatak bcd8421xs3 aahe
 bandar (
 aha ess. tii. dii. _ logicmadhye;
 bah ess. tii. dii. _ logicmadhye;
 kah ess. tii. dii. _ logicmadhye;
 deeh std _ logicmadhye;
 aha buffer std _ logic;
 bn: buffer std _ logic;
 cn: buffer std _ logic;
 dii. aine.: buffer std _ logic;
 doubleuh out std _ logic;
 x: out std _ logic;
 y: out std _ logic;
 zedah out std logic
antim ghatak bcd8421xs3;
bcd8421xs3 chaa architecture deta flow aahe
suruvat qaraa
 aaa <= aaa nahee;
 bn <= b nahee;
 cn <= c nahee;
 dn <= d nahee;
 doubleu <= (aii aanee bii aanee dii) kinwa (aii aanee bn aanee cn)
 kinwa (aaa aanee buub aanee see aanee dn);
 x <= (an aanee bn aanee d) kinwa (an aanee bn aanee c aanee dn)
 kinwa (aaa aanee buub aanee see. aine. aanee dii. aine.) kinwa (aaa aanee bii. aine. aanee see. aine. aanee dii.);
 y <= (an aanee cn aanee dn) kinwa (an aanee c aanee d)
 kinwa (aaa aanee bii. aine. aanee see. aine. aanee dii. aine.);
 z <= (an aanee dn) kinwa (a aanee bn aanee cn aanee dn);
architecture deta flocha shevat;-- bcd8421xs3 chaa