【单选题】DVD-ROM 属于A.大容量可读可写外存储器B.大容量只读外部存储器C.CPU可直接存取的存储器D.只读内存储器

【单选题】DVD-ROM 属于

A.大容量可读可写外存储器

B.大容量只读外部存储器

C.CPU可直接存取的存储器

D.只读内存储器


参考答案和解析
B 解析: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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