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ԨóѾ ѹçѧ ֧ͧӹdz ѧҧҧ ͧӹdzǹСͺͧͧ ҧѴ ١Դѹҹ ÷Ѵ ӹdz (slide rule) ͧШǡؤԺ͹ ͧԴŢ ǹ
Ѩغѹͧк ֧ͧӹdz硷͹ԡöҹӹdzººش٧ҧͧѵѵ ҹءѺҪѳԵʶҹ .. 2525 ӡѴͧ͹ҧѴѴ ͧ硷͹ԡѵѵ ˹͹ͧ Ѻѭҧ Ѻ͹ ԸҧԵʵ
ѡɳԸҹͧҨͧ˭
͡ (analog computer) ͧӹdz硷͹ԡŢѡͧӹdz дѺçѹ÷Ѵӹdz Ҩҧ˹ͧ͡ Ţ÷Ѵѡͧӹdz ÷ѴӹdzմŢӡѺ ÷ѴѹСѹ ӹdz ٳ ͹÷Ѵ˹çŢͧٳͧմŢش˹ ҹٳͧմŢաش˹͡硷͹ԡѡӹͧѹ çѹմŢͧ÷Ѵ
͡ѡɳǧ硷͹ԡ¡ǹ˹ѧѹҧԵʵ ֧ѺҹӹdzҧԷʵǡٻͧԵʵ ͧԹ ֡͹ͧ֡ͧҡԹ ùҨسѹҡ ͧŧçѹ ͡Ѿ͡çѹáѺŧѺͧ÷ѧ֡
Ѩغѹ͡ѡӹdz´ մӡѴѺҹҧҧ

 
ԨԷŤ (digital computer) Ѩغѹ Ѵ繴ԨԷŤ ԨԷŤͧӹdz硷͹ԡҹǡѺŢ ѡӹdz÷Ѵӹdz ١Դ ѡͧ١Դ ѡ˹ ѡ ٧ кŢҹԹŢҡٹԺкŢԵѹ
Ţͧӹdz㹴ԨԷŤʴѡѹ кŢҹͧѭѡɳާͧ ŢٹѺŢ˹ ѭѡɳŢͧ ѡɳҹѭҳҧѹ ӹdz㹴ԨԷŤкŢҹͧ ѧŢҹԺ١ŧкŢҹͧӹdz ѾѧŢҹͧ ŧŢҹԺʴ


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