问题
单项选择题
Primary memory is stored on chips located (66) . In addition, computers usually use disks as second memory, for example, (67) disks located inside the computer.
A．Flash
B．Hard
C．Floppy
D．Compact
答案
参考答案：B
解析：[考点分析] 同上
译文：计算机通常用磁盘充当辅存，如，位于机箱内的硬盘。