某文件管理系统在磁盘上建立了位示图(bitmap)，记录磁盘的使用情况。若磁盘上物理块的编号依次为：0、1、2、…；系统中的字长为32位，字的编号依次为：0、1、2、…，字中的一位对应文件存储器上的一个物理块，取值0和1分别表示空闲和占用，如下图所示。
假设操作系统将2053号物理块分配给某文件，那么该物理块的使用情况在位示图中编号为（ ）的字中描述；系统应该将（ ）。
问题1选项
A.32
B.33
C.64
D.65
问题2选项
A.该字的位号5的位置“0”
B.该字的位号5的位置“1”
C.该字的位号6的位置“0”
D.该字的位号6的位置“1”
正确答案及解析
正确答案
解析
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