Babbage's Difference Engine 1 1832 北京大学计算机科学技术系 计算机系统结构教研室
GÜWÑÇj°_+ ÑÇj+´DÔ %DEEDJH¶V 'LIIHUHQFH (QJLQH
Kathage's Difference Engine #2 Babbage's Difference Engine 2 中““k ated moml 10 100 an i,i前iti Analytical Engine Bahbage's Analytical Engi A Punched Ca punched cards in cutapatstico was an invertion that was abou 北京大学计算机科学技术系 计算机系统结构教研室
GÜWÑÇj°_+ ÑÇj+´DÔ %DEEDJH¶V 'LIIHUHQFH(QJLQH DQG $QDO\WLFDO(QJLQH
1834 Babbage Analytical Engine The mill The store Printer Punch Operation Variable Cards Cards Program 北京大学计算机科学技术系 计算机系统结构教研室
GÜWÑÇj°_+ ÑÇj+´DÔ 7KH0LOO 7KH6WRUH 3ULQWHU 3XQFK 2SHUDWLRQ &DUGV 9DULDEOH &DUGV 3URJUDP %DEEDJH $QDO\WLFDO(QJLQH
Babbage analytical engine The Store: Memory unit consisting of counter Wheels The Mill: The arithmetic unit capable of 4 operations used a pair of register and produced results stored in another register in the store Operation Cards: Specified one of Four operations Variable Cards: Specified the memory location to be used Output: Printer or punch 北京大学计算机科学技术系 计算机系统结构教研室
GÜWÑÇj°_+ ÑÇj+´DÔ 7KH6WRUH 0HPRU\XQLWFRQVLVWLQJRIFRXQWHU ZKHHOV 7KH0LOO 7KHDULWKPHWLFXQLWFDSDEOHRIRSHUDWLRQV XVHGDSDLURIUHJLVWHUDQGSURGXFHGUHVXOWVVWRUHG LQDQRWKHUUHJLVWHULQWKHVWRUH 2SHUDWLRQ&DUGV 6SHFLILHGRQHRI)RXURSHUDWLRQV 9DULDEOH&DUGV 6SHFLILHGWKHPHPRU\ORFDWLRQWREH XVHG 2XWSXW 3ULQWHURUSXQFK %DEEDJH $QDO\WLFDO(QJLQH
The Science M Soe ely REtune linen Kelvin's Tide Predictor (1876) 北京大学计算机科学技术系 计算机系统结构教研室
GÜWÑÇj°_+ ÑÇj+´DÔ .HOYLQ¶V 7LGH 3UHGLFWRU