单项选择题

将十进制数-0.3125化成定点二进制补码表示的小数是(5)。将该数表示成二进制浮点规格化数，其阶码3位，尾数5位(均含1位符号)，都用补码表示，该浮点数是(6)。

A．1.0101
B．0.0101
C．1.1011
D．0.1011
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单项选择题
由6个字符的7位ASCII编码排列，再加上水平垂直奇偶校验位构成下列矩阵(最后一列为水平奇偶校验位，最后一行为垂直奇偶校验位)。字符：则X1X2X3X4处的比特分别为(7)；X5X6X7X8处的比特分别为(8)；X9X10X11X12处的比特分别为(9)。
A.shangxueba.cn/images/ct_crpnmsm_crpnmschoosecn_00382(20093).jpg'
B.1010
B．1100
C．1110
D．1111
单项选择题
Traditional structured analysis techniques focus upon the flow of(71)within a system. Object - oriented analysis emphasizes the building of real - world models. It examines requirements from the perspective of the classes and objects found in the vocabulary of the(72)domain.Traditional system design method emphasizes the proper and effective structure of a complex system. Object -oriented design method encompasses the process of object -oriented decomposition and a(73)for depicting both logical and physical as well as static and dynamic models of the system under design.Object - oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an(74)of some class, and whose classes are all members of a hierarchy of classes united via(75)relationships.
A．control
B．program
C．data
D．reference
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