Parakala had a chequered public life and an unsuccessful electoral career. Born into a political family, he became familiar with electoral politics since his childhood. His debut as a political activist started when he was elected as the President of the Jawaharlal Nehru University (JNU), New Delhi unit of the Congress Party affiliated students' organisation National Students' Union of India (NSUI). He contested the Students' Union Elections of JNU and lost to the CPI(M) affiliated organisation SFI candidate. However, it was for the fist time that NSUI polled a respectable number of votes for the central panel of candidates and could win a Councillor seat. Parakala's participation in May 1983 students' agitation on the campus agains the highhanded attitude of the university authorities lent political respectability to NSUI on the Campus. till then Congress affiliated NSUI was treated as political untouchable in the left dominated student politics of the university.

ek safal pilot ke baad, aavaas evam vikaas board (HDB) Singapore ne 2006 mein kaagaj season parking ticket (SPT) ko pratisthaapit karte hue RFID ko laagoo karne ke liye do nividaaon ko jaari kiya. safal nividaakaaron ne March 2007 ke baad se SPT dhaarakon ko RFID taig vitrit kiya.[14] viytanaam mein, futek ke paas is desh mein kai bilding ke liye svachaalit jaanch ticket pranaali laagoo hai.
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.
1980 ke dashak mein kuchh shodhakartaaon ne paaya ki lagbhag sabhi tulyakaalik rajistar-transfer masheenon ko first-in-first-out tulyakaalan laujik ka upayog karke atulyakaalik dijaainon mein parivrtit kiya ja sakta tha. is yojana mein digital machine, ek data pravaah ke ek set ke roop mein pahachaani jaati hai. pravaah ke har kadam mein, ek atulyakaalik "tulyakaalan sarkit" nirdhaarit karta hai jab us step ka aautaput thos aur ek prastut sanket deta hai ki un stejon ko "deta ko pakado" jismein un stejon ke input mein prayog hua hai. iske liye kuchh apekshaakrut saral tulyakaalan sarkit ki aavashyakta hai.

RFID ko vastu-stareeya khudara upayog ke liye apnaaya ja raha hai. kaaryakushalata aur utpaad upalabdhata laabh ke alaava, yeh pranaali electronic aartikl sarvilaans(EAS) ka ek behatareen roop pradaan karti hai aur upabhoktaaon ke liye ek behtar sv-jaanch prakriya. pehli vaanijyik, saarvajanik vastu-stareeya RFID khudara pranaali ki sthaapana maana jaata hai ki north kairolina, America mein freedom shoping ink dvaara May 2005 mein ki gayi.

svaasthya ke haanikaarak prabhaavon se pratirodh ki kami aashaavaadi poorvaagrah ka ek praacheen aadarsh (prototeepikl) udaaharan hai. iske alaava sambhaavana ki samajh ki kami ki aam taur par iska prabhaav jyaada umr mein dikhaayi deta hai aur vyaktitv mein hraas ya vikaar paida karta hai jo aam taur par uchch jokhim ya aatm vinaashakaari vyavahaar mein dikhaayi deta hai.[krupaya uddharan jodein]
kuchh pranaaliyon mein yadi digital deta ka ek bhaag lupt ho jaae ya galat tareeke se vyavahrut hon, to sambandhit deta ke vishaal khandon ka arth poori tarah se badal sakta hai. kyonki kleef ifekt ke kaaran, upayogakartaaon ke liye bataana mushkil hai ki koi vishisht system vifalta ke kagaar par sahi tha ya fir vah asafal hone se pehle bahut adhik shor ko sahan kar sakta hai ya naheen.
×