题目内容

下列只读存储器中,仅能写入一次数据的是( )。

A. PROM
B. EPROM
C. EP2ROM
D. Flash Memry

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可擦除ROM在数据被擦除后,存储单元中的值为0。

A. 对
B. 错

因ROM是只读存储器,向它内部写数据是不可能的。

A. 对
B. 错

They talked for about an hour of things and persons _____ they remembered in the factory.

A. which
B. that
C. who
D. whom

We are going to spend this Spring Festival in Beijing, _____ live our grandparents and some relatives.

A. which
B. that
C. who
D. where

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