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【单选题】
假如该机另具有浮点运算部件(图 1 中未画出),两个二进制补码数据 X 和 Y 分别放在浮点寄存器 f0 和 f1 中,浮点数格式为:阶码4位,包含1位符号位,尾数 8 位,包含 1 位符号位,阶码和尾数均用补码表示,排列顺序为: 阶符( 1 位) 阶码( 3 位) 数符( 1 位) 尾数( 7 位) 已知:( X ) 10 = -2.875, Y 的规格化浮点表示为F64H。 (1) (2分)写出 X 的规格化浮点数表示形式。
A.
[X] 浮 = 0,010  1.0100100
B.
[X] 浮 = 1,010  1.0100100
C.
[X] 浮 = 0,010  0.0100100
D.
以上都不是
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