4 写出下列各机器数的二进制真值 X : ( 1 ) [X] 补 =0.1001 ( 2 ) [X] 补 =1.1001 ( 3 ) [X] 原 =0.1101 ( 4 ) [X] 原 =1.1101 ( 5 ) [X] 反 =0.1011 ( 6 ) [X] 反 =1.1011 ( 7 ) [X] 移 =0,1001 ( 8 ) [X] 移 =1,1001 ( 9 ) [X] 补 =1,0000000 ( 10 ) [X] 反 =1,0000000 ( 11 ) [X] 原 =1,0000000 ( 12 ) [X] 移 =1,0000000