baad mein, nirvaat tube ka istemaal kiya gaya. ye bahut tej the, lekin garmi utpann karte the aur filaameints ke jal jaane ke kaaran avishvasaneeya the. fainaaaut aam taur par paanch se saat the, jo tube ke vidyut se heeting dvaara seemit the. 1950 ke dashak mein, filaameint ke saath vishesh "computer tube" viksit kiye gaye jo silikaun ki tarah asthir tatvon ko nikaal dete the. ye kai hajaaron ghante tak chalte hain.
usi samay, nae ekeekrut paripth (ICs) eliyn, impinj aur NXP (poorv mein Philips) dvaara shuroo kiye gaye jisne behtar pradarshan dikhaaya aur IT parisanpatti nigraani anuprayog mein visfot hua. aaj ki taareekh mein isko bruhat paimaane par apnaane vaale bank of America aur vels faarago prateet hote hain - pratyek ki ek darjan se adhik deta kendron mein 100,000 se adhik parisanpatti hai.[16]
theem park (jaise United Kingdom mein eltan taavars) RFID ka upayog karte hain taaki unhein raaid ke upayogakarta ki pehchaan karne aur park mein unke bitaaye samay ki ek DVD banaane mein madad ho. din ke ant mein fir ise upayogakartaaon ke liye khareedne ke liye upalabdh karaaya jaata hai. yeh upayogakartaaon ke liye svaichhik hai jo park mein unhein diye jaane vaale kalaai band ko pahan kar aisa kar sakte hain.
prativedan ke liye engineer digital system ke prakaaron par vichaar karte hain. adhikaansh digital system "sanyojan system" aur "anukramik system" mein vibhaajit ho jaate hain. sanyojan pranaali mein hamesha jo input diya jaata hai vahi aautaput vah deta hai. yeh mool roop se laujik prakriya ke set ka pratinidhitv karta hai aur jiski charcha pehle hi ki ja chuki hai.

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