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题目内容
（请给出正确答案）
6、DVD-ROM属于________。
A．CPU可直接存取的存储器
B．大容量可读可写外存储器
C．只读内存储器
D．大容量只读外部存储器
参考答案和解析
B DVD-ROM(只读型DvD)属于计算机数 据存储只读光盘，用途类似CD-ROM。CD-ROM的意思是“高密度 光盘只读存储器”，简称只读光盘。只读光盘只能读出信息，不能写 入信息。
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