单选题CD-ROM是( )。A大容量可读可写外存储器B大容量只读外部存储器C可直接与CPU交换数据的存储器D只读内部存储器
单选题
CD-ROM是( )。
A
大容量可读可写外存储器
B
大容量只读外部存储器
C
可直接与CPU交换数据的存储器
D
只读内部存储器
参考解析
解析:
B项,CD-ROM是光盘,数据只能被读取而不能被写入或修改。A项,大容量可读可写外存储器为CD-RW;C项,可直接与CPU交换数据的存储器为内存储器;D项,只读内部存储器为ROM。
B项,CD-ROM是光盘,数据只能被读取而不能被写入或修改。A项,大容量可读可写外存储器为CD-RW;C项,可直接与CPU交换数据的存储器为内存储器;D项,只读内部存储器为ROM。
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