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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

BCD纰�
闁辫畝锛�89628鏅傞枔锛�2011-04-19 10:35:22

銆�銆�BCD纰�(Binary Coded Decimal)锛屽嵆浜�-鍗侀�插埗绶ㄧ⒓锛屾槸鐢ㄥ洓浣嶄簩閫插埗纰肩殑 10 绋祫鍚堣〃绀哄崄閫插埗鏁�(sh霉)0锛�9銆傞�欑ó绶ㄧ⒓鑷冲皯闇�瑕佺敤鍥涗綅浜岄�插埗纰煎厓锛岃�屽洓浣嶄簩閫插埗纰煎厓鍙互鏈�16绋祫鍚�銆傜暥鐢ㄩ�欎簺绲勫悎琛ㄧず鍗侀�插埗鏁�(sh霉)0锛�9鏅�锛屾湁鍏ó绲勫悎涓嶇敤銆�

绋

銆�銆�BCD纰�鍙垎鐐烘湁娆�(qu谩n)纰煎拰鐒℃瑠(qu谩n)纰煎叐椤烇細鏈夋瑠(qu谩n)BCD纰兼湁8421纰笺��2421纰�銆�5421纰硷紝鍏朵腑8421纰兼槸鏈�甯哥敤鐨�锛涚劇娆�(qu谩n)BCD纰兼湁浣�3纰�銆佹牸闆风⒓绛�銆�

BCD纰�

銆�銆�1. 8421 BCD纰�

銆�銆�8421 BCD纰兼槸鏈�鍩烘湰鍜屾渶甯哥敤鐨凚CD纰�锛屽畠鍜屽洓浣嶈嚜鐒朵簩閫插埗纰肩浉浼�锛屽悇浣嶇殑娆�(qu谩n)鍊肩偤8銆�4銆�2銆�1锛屾晠绋辩偤鏈夋瑠(qu谩n)BCD纰笺�傚拰鍥涗綅鑷劧浜岄�插埗纰间笉鍚岀殑鏄�锛屽畠鍙伕鐢ㄤ簡鍥涗綅浜岄�插埗纰间腑鍓�10绲勪唬纰硷紝鍗崇敤0000~1001鍒嗗垾浠ｈ〃瀹冩墍灏嶆噳(y墨ng)鐨勫崄閫插埗鏁�(sh霉)锛屼綑涓嬬殑鍏祫浠ｇ⒓涓嶇敤銆�

銆�銆�2. 5421 BCD纰煎拰2421 BCD纰�

銆�銆�5421 BCD纰煎拰2421 BCD纰肩偤鏈夋瑠(qu谩n)BCD纰�锛屽畠鍊戝緸楂樹綅鍒颁綆浣嶇殑娆�(qu谩n)鍊煎垎鍒ョ偤5銆�4銆�2銆�1鍜�2銆�4銆�2銆�1銆傞�欏叐绋湁娆�(qu谩n)BCD纰间腑锛屾湁鐨勫崄閫插埗鏁�(sh霉)纰煎瓨鍦ㄥ叐绋姞娆�(qu谩n)鏂规硶锛屼緥濡�锛�5421 BCD纰间腑鐨勬暩(sh霉)纰�5锛屾棦鍙互鐢�1000琛ㄧず锛屼篃鍙互鐢�0101琛ㄧず锛�2421 BCD纰间腑鐨勬暩(sh霉)纰�6锛屾棦鍙互鐢�1100琛ㄧず锛� 涔熷彲浠ョ敤0110琛ㄧず銆傞�欒鏄�5421 BCD纰煎拰2421 BCD纰肩殑绶ㄧ⒓鏂规閮戒笉鏄儫涓�鐨勶紝琛�1-2鍙垪鍑轰簡涓�绋法纰兼柟妗�銆�

銆�銆�涓婅〃涓�2421 BCD纰肩殑10鍊嬫暩(sh霉)纰间腑锛�0鍜�9銆�1鍜�8銆�2鍜�7銆�3鍜�6銆�4鍜�5鐨勪唬纰煎皪鎳�(y墨ng)浣嶆伆濂戒竴鍊嬫槸0鏅�锛屽彟涓�鍊嬪氨鏄�1銆傚氨绋�0鍜�9銆�1鍜�8浜掔偤鍙嶇⒓銆�

銆�銆�3. 浣�3 纰�

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銆�銆�4. Gray纰�(鏍奸浄纰�)

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鍏稿瀷鐨凣ray纰�

鏍煎紡

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銆�銆�鎵�璎傚垎闆CD纰硷紝鍗崇敤涓�鍊嬪瓧绡�(ji茅)鐨勪綆鍥涗綅绶�纰艰〃绀哄崄閫插埗鏁�(sh霉)鐨勪竴浣�锛屼緥濡傛暩(sh霉)82鐨勫瓨鏀炬牸寮忕偤锛�

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銆�銆�绲勫悎BCD纰硷紝鏄皣鍏╀綅鍗侀�插埗鏁�(sh霉)锛屽瓨鏀惧湪涓�鍊嬪瓧绡�(ji茅)涓紝渚�82鐨勫瓨鏀炬牸寮忔槸1000 0010

閬嬬畻娉曞墖

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銆�銆�瑙ｆ焙鐨勮睛娉曟槸灏嶄簩閫插埗鍔犳硶閬嬬畻鐨勭祼(ji茅)鏋滈噰鐢�"鍔�6淇,閫欑ó淇绋辩偤BCD瑾�(di脿o)鏁�銆傚嵆灏囦簩閫插埗鍔犳硶閬嬬畻鐨勭祼(ji茅)鏋滀慨姝ｇ偤BCD纰煎姞娉曢亱绠楃殑绲�(ji茅)鏋�,鍏╁�嬪叐浣岯CD鏁�(sh霉)鐩稿姞鏅�,灏嶄簩閫插埗鍔犳硶閬嬬畻绲�(ji茅)鏋滈噰鐢ㄤ慨姝ｈ(gu墨)鍓囬�茶淇銆備慨姝ｈ(gu墨)鍓囷細

銆�銆�(1)濡傛灉浠讳綍鍏╁�嬪皪鎳�(y墨ng)浣岯CD鏁�(sh霉)鐩稿姞鐨勭祼(ji茅)鏋滃悜楂樹竴浣嶇劇閫蹭綅锛岃嫢寰楀埌鐨勭祼(ji茅)鏋滃皬浜庢垨绛変簬9,鍓囪┎涓嶉渶淇;鑻ュ緱鍒扮殑绲�(ji茅)鏋滃ぇ浜�9涓斿皬浜�16鏅�,瑭蹭綅閫茶鍔�6淇銆�

銆�銆�(2)濡傛灉浠讳綍鍏╁�嬪皪鎳�(y墨ng)浣岯CD鏁�(sh霉)鐩稿姞鐨勭祼(ji茅)鏋滃悜楂樹竴浣嶆湁閫蹭綅鏅�(鍗崇祼(ji茅)鏋滃ぇ浜庢垨绛変簬16),瑭蹭綅閫茶鍔�6淇.

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