↑ Kulikoff, Allan (1986-08-01), Tobacco and Slaves: The Development of Southern Cultures in the Chesapeake, The University of North Carolina Press, aai॰aऍsa॰abee॰aऍna॰ 978-0807842249, http://books.google.com/books?id=NCvU9_bj-1QC&printsec=frontcover&dq=Tobacco+%26+Slaves:+The+Development+of+Southern+Cultures+in+the+Chesapeake, abhigman tithi: 2009-03-22
ekeekrut paripthon ki vruddhi ke saath, prayukt chips ki nirpeksh sankhya ko kam karne se laagat bachaane ka ek aur tareeka pesh hua. ek designer ka lakshya sirf aasaan sarkit banaana naheen hai, balki ghatak ki ginti kam rakhana hai. kabhi-kabhi yeh antarnihit digital laujik ke sambandh mein thode adhik jatil dijaain mein parint hota hai, lekin fir bhi ghatakon ki sankhya, board aakaar aur yahaan tak ki bijli ki khapat ko kam kar deta hai.
rajistar hastaantaran laujik mein dviaadhaari sankhya flip flop ke samoohon mein sangraheet hain jise rajistar kaha jaata tha. pratyek rajistar ka aautaput taaron ka bandal hai jise ek "bas" kaha jaata hai jo anya aakalan ke liye us number ko paas rakhata hai. yeh aakalan keval sanyojan laujik ka ek bhaag hai. pratyek aakalan ke paas ek bas aautaput hota hai aur ye kai input rajistaron se juda ho sakta hai. kabhi-kabhi ek rajistar ke paas inke input par bahusanketak hota hai jisse yeh kai bason mein se kisi ek se number ko store kar sakta hai. vaikalpik roop se kai cheejon ke aautaput ko bafars ke maadhyam se joda ja sakta hai jo ek ko chhodkar sabhi upakaranon ke aautaput ko band kar sakta hai. input se pratyek rajistar ke naye data ko sveekaar karne par anukramik state machine niyantran karta hai.
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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