{"id":6942,"date":"2026-09-05T09:00:00","date_gmt":"2026-09-05T07:00:00","guid":{"rendered":"https:\/\/www.interlink.ro\/blog\/?p=6942"},"modified":"2026-08-17T12:19:21","modified_gmt":"2026-08-17T10:19:21","slug":"de-ce-computerele-folosesc-0-si-1","status":"publish","type":"post","link":"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1","title":{"rendered":"De ce computerele folosesc 0 \u0219i 1? Secretul limbajului binar"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Cuprins:<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Ce_este_sistemul_binar\" >Ce este sistemul binar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#De_ce_tocmai_doua_valori\" >De ce tocmai dou\u0103 valori?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Ce_este_un_bit\" >Ce este un bit?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#8_biti_formeaza_un_byte\" >8 bi\u021bi formeaz\u0103 un byte<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Cum_poate_binarul_sa_reprezinte_litere\" >Cum poate binarul s\u0103 reprezinte litere?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Dar_imaginile\" >Dar imaginile?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Dar_muzica\" >Dar muzica?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Dar_filmele\" >Dar filmele?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Cum_functioneaza_un_tranzistor\" >Cum func\u021bioneaz\u0103 un tranzistor?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Ce_sunt_portile_logice\" >Ce sunt por\u021bile logice?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Cum_ajungem_de_la_0_si_1_la_Windows\" >Cum ajungem de la 0 \u0219i 1 la Windows?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#De_ce_nu_folosesc_calculatoarele_0_1_si_2\" >De ce nu folosesc calculatoarele 0, 1 \u0219i 2?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Binarul_nu_este_singurul_mod_de_a_face_calculatoare\" >Binarul nu este singurul mod de a face calculatoare<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Si_calculatoarele_cuantice\" >\u0218i calculatoarele cuantice?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#De_ce_este_atat_de_important_sistemul_binar\" >De ce este at\u00e2t de important sistemul binar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\/#Concluzie\" >Concluzie<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Timp de citit: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>\n<p>Dac\u0103 te-ai uitat vreodat\u0103 la un \u0219ir de cifre precum <p class=\"command\"><code>01001000 01101001<\/code><\/p>, probabil ai avut impresia c\u0103 te ui\u021bi la un mesaj trimis de extratere\u0219tri. \ud83d\udc7d<\/p>\n\n\n\n<p>\u00cen realitate, computerele folosesc aceste combina\u021bii pentru a reprezenta informa\u021bii.<\/p>\n\n\n\n<p>Dar <strong>de ce computerele folosesc 0 \u0219i 1<\/strong> \u00een loc s\u0103 utilizeze direct cifrele pe care le folosim noi?<\/p>\n\n\n\n<p>R\u0103spunsul are leg\u0103tur\u0103 cu fizica, electronica \u0219i modul \u00een care circuitele digitale pot reprezenta foarte simplu dou\u0103 st\u0103ri.<\/p>\n\n\n\n<p>Iar de aici porne\u0219te una dintre cele mai importante idei din \u00eentreaga lume a tehnologiei.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Ce_este_sistemul_binar\"><\/span>Ce este sistemul binar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Noi folosim \u00een via\u021ba de zi cu zi sistemul zecimal.<\/p>\n\n\n\n<p>Acesta are <strong>10 cifre:<\/strong><\/p>\n\n\n\n<p><strong>0 1 2 3 4 5 6 7 8 9<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/www.interlink.ro\/calculatoare-refurbished\" target=\"_blank\" rel=\"noreferrer noopener\">Calculatoarele <\/a>folosesc \u00een schimb sistemul binar.<\/p>\n\n\n\n<p>Acesta are doar dou\u0103 valori:<\/p>\n\n\n\n<p><strong>0 \u0219i 1<\/strong><\/p>\n\n\n\n<p>De aici vine \u0219i numele:<\/p>\n\n\n\n<p><strong>bi = dou\u0103<\/strong><\/p>\n\n\n\n<p>Este un sistem de numera\u021bie cu baza 2.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"De_ce_tocmai_doua_valori\"><\/span>De ce tocmai dou\u0103 valori?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Pentru c\u0103 electronica digital\u0103 func\u021bioneaz\u0103 foarte bine cu dou\u0103 st\u0103ri distincte.<\/p>\n\n\n\n<p>Putem simplifica enorm situa\u021bia astfel:<\/p>\n\n\n\n<p><strong>0 = OFF<\/strong><\/p>\n\n\n\n<p><strong>1 = ON<\/strong><\/p>\n\n\n\n<p>Un circuit poate detecta dac\u0103 exist\u0103 sau nu exist\u0103 un anumit semnal electric \u00eentr-un mod suficient de clar pentru a reprezenta informa\u021bia.<\/p>\n\n\n\n<p>Nu \u00eenseamn\u0103 c\u0103 \u00een interiorul calculatorului exist\u0103 literalmente milioane de mici \u00eentrerup\u0103toare care spun \u201e0\u201d sau \u201e1\u201d \u00een forma \u00een care ni le imagin\u0103m.<\/p>\n\n\n\n<p>Dar principiul este foarte apropiat:<\/p>\n\n\n\n<p><strong>dou\u0103 st\u0103ri distincte = posibilitatea de a reprezenta informa\u021bie.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Ce_este_un_bit\"><\/span>Ce este un bit?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Un <strong>bit<\/strong> este cea mai mic\u0103 unitate de informa\u021bie digital\u0103.<\/p>\n\n\n\n<p>Un bit poate avea dou\u0103 valori:<\/p>\n\n\n\n<p><strong>0 sau 1<\/strong><\/p>\n\n\n\n<p>At\u00e2t.<\/p>\n\n\n\n<p>Dar atunci cum poate un calculator s\u0103 reprezinte fotografii, filme, jocuri \u0219i documente folosind doar dou\u0103 valori?<\/p>\n\n\n\n<p>Prin combinarea unui num\u0103r foarte mare de bi\u021bi.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"8_biti_formeaza_un_byte\"><\/span>8 bi\u021bi formeaz\u0103 un byte<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Opt bi\u021bi formeaz\u0103 un:<\/p>\n\n\n\n<p><strong>byte (B)<\/strong><\/p>\n\n\n\n<p>De exemplu:<\/p>\n\n\n\n<p><p class=\"command\"><code>01001000<\/code><\/p><\/p>\n\n\n\n<p>este o combina\u021bie de 8 bi\u021bi.<\/p>\n\n\n\n<p>Un singur byte poate reprezenta <strong>256 de valori diferite<\/strong>.<\/p>\n\n\n\n<p>De ce?<\/p>\n\n\n\n<p>Pentru c\u0103 fiecare dintre cele 8 pozi\u021bii poate fi 0 sau 1.<\/p>\n\n\n\n<p>Num\u0103rul total de combina\u021bii este:<\/p>\n\n\n\n<p><strong>2\u2078 = 256<\/strong><\/p>\n\n\n\n<p>Aici \u00eencepe magia. \ud83e\ude84<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Cum_poate_binarul_sa_reprezinte_litere\"><\/span>Cum poate binarul s\u0103 reprezinte litere?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Computerele pot folosi standarde precum <strong>ASCII<\/strong> pentru a asocia anumite numere cu caractere.<\/p>\n\n\n\n<p>De exemplu, litera:<\/p>\n\n\n\n<p><strong>A<\/strong><\/p>\n\n\n\n<p>are valoarea ASCII:<\/p>\n\n\n\n<p><strong>65<\/strong><\/p>\n\n\n\n<p>Iar 65 \u00een binar este:<\/p>\n\n\n\n<p><strong>01000001<\/strong><\/p>\n\n\n\n<p>Astfel, calculatorul poate reprezenta litera A folosind o combina\u021bie de 0 \u0219i 1.<\/p>\n\n\n\n<p>Nu exist\u0103 o liter\u0103 \u201eA\u201d ascuns\u0103 undeva \u00een tranzistor.<\/p>\n\n\n\n<p>Exist\u0103 informa\u021bie codificat\u0103.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Dar_imaginile\"><\/span>Dar imaginile?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Aici lucrurile devin \u0219i mai interesante.<\/p>\n\n\n\n<p>O imagine digital\u0103 este format\u0103 din foarte multe puncte:<\/p>\n\n\n\n<p><strong>pixeli<\/strong><\/p>\n\n\n\n<p>Fiecare pixel poate avea informa\u021bii despre culoare.<\/p>\n\n\n\n<p>\u00cen cazul unei imagini RGB, culoarea poate fi reprezentat\u0103 folosind trei componente:<\/p>\n\n\n\n<ul><li>Ro\u0219u;<\/li><li>Verde;<\/li><li>Albastru.<\/li><\/ul>\n\n\n\n<p>Fiecare component\u0103 poate avea valori \u00eentre:<\/p>\n\n\n\n<p><strong>0 \u0219i 255<\/strong><\/p>\n\n\n\n<p>Iar aceste valori pot fi reprezentate \u00een binar.<\/p>\n\n\n\n<p>De exemplu:<\/p>\n\n\n\n<p><strong>255 = 11111111<\/strong><\/p>\n\n\n\n<p>Astfel, o fotografie de pe telefon este, \u00een cele din urm\u0103, o cantitate uria\u0219\u0103 de informa\u021bie digital\u0103.<\/p>\n\n\n\n<p>\u0218i da, undeva \u00een spate sunt foarte mul\u021bi de <strong>0 \u0219i 1<\/strong>.<\/p>\n\n\n\n<p>Foarte, foarte mul\u021bi. \ud83d\ude04<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Dar_muzica\"><\/span>Dar muzica?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0218i sunetul poate fi transformat \u00een informa\u021bie digital\u0103.<\/p>\n\n\n\n<p>Un microfon capteaz\u0103 varia\u021biile undelor sonore.<\/p>\n\n\n\n<p>Acestea sunt transformate \u00een valori numerice printr-un proces numit <strong>e\u0219antionare<\/strong>.<\/p>\n\n\n\n<p>Calculatorul poate stoca apoi aceste valori ca date.<\/p>\n\n\n\n<p>\u00cen cazul unui fi\u0219ier audio digital, avem astfel o reprezentare numeric\u0103 a sunetului.<\/p>\n\n\n\n<p>Din nou:<\/p>\n\n\n\n<p><strong>numere \u2192 informa\u021bie binar\u0103 \u2192 fi\u0219ier digital<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Dar_filmele\"><\/span>Dar filmele?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Un film este practic o combina\u021bie uria\u0219\u0103 de:<\/p>\n\n\n\n<ul><li>imagini;<\/li><li>sunet;<\/li><li>metadate;<\/li><li>alte informa\u021bii.<\/li><\/ul>\n\n\n\n<p>Fiecare cadru este format din pixeli.<\/p>\n\n\n\n<p>Fiecare pixel are informa\u021bii despre culoare.<\/p>\n\n\n\n<p>Sunetul este reprezentat digital.<\/p>\n\n\n\n<p>Toate acestea sunt stocate \u0219i procesate sub form\u0103 de date.<\/p>\n\n\n\n<p>Un film de dou\u0103 ore poate ocupa gigabytes \u00eentregi.<\/p>\n\n\n\n<p>\u00cen spatele acestor gigabytes?<\/p>\n\n\n\n<p>Un ocean de bi\u021bi.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Cum_functioneaza_un_tranzistor\"><\/span>Cum func\u021bioneaz\u0103 un tranzistor?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Aici ajungem la una dintre cele mai importante componente ale tehnologiei moderne.<\/p>\n\n\n\n<p>Un <strong>tranzistor<\/strong> este un dispozitiv semiconductor care poate controla fluxul de curent.<\/p>\n\n\n\n<p>\u00cen calculatoarele moderne exist\u0103 <strong>miliarde de tranzistori<\/strong> \u00een anumite procesoare.<\/p>\n\n\n\n<p>Ace\u0219tia pot fi combina\u021bi pentru a construi circuite logice foarte complexe.<\/p>\n\n\n\n<p>Practic, prin combinarea unor elemente foarte simple putem construi sisteme capabile s\u0103:<\/p>\n\n\n\n<ul><li>adune numere;<\/li><li>compare valori;<\/li><li>mute date;<\/li><li>execute instruc\u021biuni;<\/li><li>proceseze imagini;<\/li><li>ruleze jocuri;<\/li><li>antreneze modele AI.<\/li><\/ul>\n\n\n\n<p>Totul porne\u0219te de la circuite extrem de mici.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Ce_sunt_portile_logice\"><\/span>Ce sunt por\u021bile logice?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tranzistorii pot fi combina\u021bi pentru a crea <strong>por\u021bi logice<\/strong>.<\/p>\n\n\n\n<p>Printre cele mai cunoscute se afl\u0103:<\/p>\n\n\n\n<ul><li>AND;<\/li><li>OR;<\/li><li>NOT;<\/li><li>NAND;<\/li><li>NOR;<\/li><li>XOR.<\/li><\/ul>\n\n\n\n<p>Acestea permit circuitelor s\u0103 ia decizii logice.<\/p>\n\n\n\n<p>De exemplu:<\/p>\n\n\n\n<p><strong>AND<\/strong><\/p>\n\n\n\n<p>poate produce 1 doar dac\u0103 ambele intr\u0103ri sunt 1.<\/p>\n\n\n\n<p>Astfel de opera\u021bii extrem de simple pot fi combinate \u00een miliarde de moduri pentru a construi procesoare moderne.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Cum_ajungem_de_la_0_si_1_la_Windows\"><\/span>Cum ajungem de la 0 \u0219i 1 la Windows?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Aici \u00eencepe partea spectaculoas\u0103.<\/p>\n\n\n\n<p>La nivel foarte jos avem:<\/p>\n\n\n\n<p><strong>tranzistori<\/strong><\/p>\n\n\n\n<p>\u2193<\/p>\n\n\n\n<p><strong>por\u021bi logice<\/strong><\/p>\n\n\n\n<p>\u2193<\/p>\n\n\n\n<p><strong>circuite<\/strong><\/p>\n\n\n\n<p>\u2193<\/p>\n\n\n\n<p><strong>procesoare<\/strong><\/p>\n\n\n\n<p>\u2193<\/p>\n\n\n\n<p><strong>instruc\u021biuni<\/strong><\/p>\n\n\n\n<p>\u2193<\/p>\n\n\n\n<p><strong>sisteme de operare<\/strong><\/p>\n\n\n\n<p>\u2193<\/p>\n\n\n\n<p><strong>aplica\u021bii<\/strong><\/p>\n\n\n\n<p>\u2193<\/p>\n\n\n\n<p><strong>jocuri, browsere, Photoshop, AI etc.<\/strong><\/p>\n\n\n\n<p>Cu alte cuvinte, atunci c\u00e2nd deschizi un joc sau un browser, \u00een spatele interfe\u021bei prietenoase exist\u0103 un nivel incredibil de complex de opera\u021bii digitale, dar totusi &#8230; de ce computerele folosesc 0 \u0219i 1?<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"De_ce_nu_folosesc_calculatoarele_0_1_si_2\"><\/span>De ce nu folosesc calculatoarele 0, 1 \u0219i 2?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u00cen teorie, ai putea construi sisteme care folosesc mai mult de dou\u0103 st\u0103ri.<\/p>\n\n\n\n<p>Exist\u0103 chiar \u0219i cercet\u0103ri \u0219i tehnologii care exploreaz\u0103 calculul \u00een mai multe st\u0103ri.<\/p>\n\n\n\n<p>Dar sistemul binar are avantaje enorme.<\/p>\n\n\n\n<p>Dou\u0103 st\u0103ri sunt relativ u\u0219or de diferen\u021biat \u00een circuitele electronice.<\/p>\n\n\n\n<p>De exemplu:<\/p>\n\n\n\n<p><strong>semnal prezent<\/strong><\/p>\n\n\n\n<p>vs.<\/p>\n\n\n\n<p><strong>semnal absent<\/strong><\/p>\n\n\n\n<p>Este mai simplu s\u0103 construie\u0219ti un sistem robust \u00een jurul a dou\u0103 st\u0103ri dec\u00e2t s\u0103 trebuiasc\u0103 s\u0103 diferen\u021biezi foarte precis \u00eentre multe niveluri diferite.<\/p>\n\n\n\n<p>Cu c\u00e2t exist\u0103 mai multe st\u0103ri, cu at\u00e2t pot ap\u0103rea mai multe probleme de interpretare \u0219i zgomot.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Binarul_nu_este_singurul_mod_de_a_face_calculatoare\"><\/span>Binarul nu este singurul mod de a face calculatoare<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Aici apare o surpriz\u0103.<\/p>\n\n\n\n<p>Calculatoarele moderne sunt \u00een principal digitale \u0219i folosesc reprezentarea binar\u0103, dar exist\u0103 \u0219i alte forme de calcul.<\/p>\n\n\n\n<p>De exemplu:<\/p>\n\n\n\n<p><strong>calculatoare analogice<\/strong><\/p>\n\n\n\n<p>proceseaz\u0103 informa\u021bia folosind valori continue.<\/p>\n\n\n\n<p>Exist\u0103 \u0219i cercet\u0103ri \u00een:<\/p>\n\n\n\n<ul><li>calcul cuantic;<\/li><li>neuromorphic computing;<\/li><li>calcul optic;<\/li><li>sisteme multi-valoare.<\/li><\/ul>\n\n\n\n<p>A\u0219adar, binarul nu este o lege a universului.<\/p>\n\n\n\n<p>Este o solu\u021bie extrem de eficient\u0103 pentru construirea sistemelor digitale pe care le folosim ast\u0103zi.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Si_calculatoarele_cuantice\"><\/span>\u0218i <a href=\"https:\/\/event.2performant.com\/events\/click?ad_type=quicklink&amp;aff_code=61c1c161c&amp;unique=80ef38da6&amp;redirect_to=https%253A\/\/www.interlink.ro\" target=\"_blank\" rel=\"noreferrer noopener\">calculatoarele <\/a>cuantice?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Aici lucrurile devin \u0219i mai interesante.<\/p>\n\n\n\n<p>Calculatoarele cuantice folosesc <strong>qubi\u021bi (qubits)<\/strong> \u00een locul bi\u021bilor clasici.<\/p>\n\n\n\n<p>Un qubit se bazeaz\u0103 pe propriet\u0103\u021bi cuantice \u0219i poate exista \u00eentr-o suprapunere de st\u0103ri.<\/p>\n\n\n\n<p>Asta nu \u00eenseamn\u0103 pur \u0219i simplu:<\/p>\n\n\n\n<p><strong>\u201ecalculatorul cuantic folose\u0219te mai multe cifre dec\u00e2t 0 \u0219i 1\u201d.<\/strong><\/p>\n\n\n\n<p>Este un model de calcul complet diferit, bazat pe mecanica cuantic\u0103.<\/p>\n\n\n\n<p>Calculatoarele cuantice sunt dezvoltate pentru anumite tipuri de probleme \u0219i nu sunt pur \u0219i simplu versiuni \u201emai rapide\u201d ale PC-urilor obi\u0219nuite.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"De_ce_este_atat_de_important_sistemul_binar\"><\/span>De ce este at\u00e2t de important sistemul binar?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Pentru c\u0103 reprezint\u0103 funda\u021bia calculatoarelor digitale moderne.<\/p>\n\n\n\n<p>F\u0103r\u0103 aceast\u0103 idee nu am avea, \u00een forma actual\u0103:<\/p>\n\n\n\n<ul><li>PC-uri;<\/li><li>smartphone-uri;<\/li><li>console;<\/li><li>servere;<\/li><li>internet;<\/li><li>aplica\u021bii;<\/li><li>inteligen\u021b\u0103 artificial\u0103;<\/li><li>centre de date.<\/li><\/ul>\n\n\n\n<p>Este fascinant c\u0103 o idee at\u00e2t de simpl\u0103:<\/p>\n\n\n\n<p><strong>0 sau 1<\/strong><\/p>\n\n\n\n<p>poate sta la baza unor sisteme capabile s\u0103 proceseze miliarde de opera\u021bii pe secund\u0103.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Concluzie\"><\/span>Concluzie<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>De ce computerele folosesc 0 \u0219i 1?<\/strong><\/p>\n\n\n\n<p>Pentru c\u0103 electronica digital\u0103 poate reprezenta foarte eficient dou\u0103 st\u0103ri distincte, iar aceste dou\u0103 st\u0103ri pot fi folosite pentru a construi informa\u021bie din ce \u00een ce mai complex\u0103.<\/p>\n\n\n\n<p>Un bit devine byte.<\/p>\n\n\n\n<p>Byte-urile devin date.<\/p>\n\n\n\n<p>Datele devin fi\u0219iere.<\/p>\n\n\n\n<p>Fi\u0219ierele devin aplica\u021bii, imagini, jocuri \u0219i sisteme de operare.<\/p>\n\n\n\n<p>Iar miliarde de tranzistori lucreaz\u0103 \u00eempreun\u0103 pentru ca tu s\u0103 po\u021bi deschide un browser \u0219i s\u0103 cau\u021bi:<\/p>\n\n\n\n<p><strong>\u201eDe ce computerele folosesc 0 \u0219i 1?\u201d<\/strong> \ud83d\ude02<\/p>\n\n\n\n<p>Practic, toat\u0103 lumea digital\u0103 pe care o folosim zilnic poate fi construit\u0103 pornind de la dou\u0103 st\u0103ri foarte simple.<\/p>\n\n\n\n<p><strong>0 \u0219i 1.<\/strong><\/p>\n\n\n\n<p>Dou\u0103 cifre.<br>O cantitate absurd\u0103 de posibilit\u0103\u021bi. \ud83d\udcbb<\/p>\n\t<div class=\"quickshare-container\">\r\n\t<ul class=\"quickshare-icons quickshare-effect-expand quickshare-small\">\r\n\t\t<li class=\"quickshare-share\">Distribuie:<\/li> \r\n\t\t<li><a 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precum 01001000 01101001, probabil ai avut impresia c\u0103 te ui\u021bi la un mesaj trimis de extratere\u0219tri. \ud83d\udc7d \u00cen realitate, computerele folosesc aceste combina\u021bii pentru a reprezenta informa\u021bii. Dar de ce computerele folosesc 0 \u0219i 1 \u00een loc s\u0103 utilizeze direct cifrele pe care le folosim noi? &hellip; <a href=\"https:\/\/www.interlink.ro\/blog\/de-ce-computerele-folosesc-0-si-1\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">De ce computerele folosesc 0 \u0219i 1? Secretul limbajului binar<\/span><\/a><\/p>\n","protected":false},"author":11806,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[4825,4831,4827,57,468,4832,4830,264,4828,770,4826,1475,4833,4829],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>De ce computerele folosesc 0 \u0219i 1? Secretul limbajului binar<\/title>\n<meta name=\"description\" content=\"De ce computerele folosesc 0 \u0219i 1? 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