Modern computer systems provide independent control of each parallel memory chip by providing a byte enable signal to achieve data access of different widths. What are the possible implementation options? 现代计算机通过提供不同的字节使能信号控制不同并行存储芯片以实现不同位宽的数据访问，以下哪些为可能的实现方案？ A、 Byte enable signal and high-order address decoding generate chip select signals for each parallel memory chip 字节使能信号和高位地址译码产生各个并行存储芯片的片选信号 B、Decode the byte enable signal and the memory write control signal to generate write control signals for each parallel memory chip 字节使能信号和存储器写信号译码产生各个并行存储芯片的写使能信号 C、Decode the byte enable signal and the memory read control signal to generate read control signals for each parallel memory chip 字节使能信号和存储器读信号译码产生各个并行存储芯片的读使能信号 D、The byte enable signal controls the data output of each parallel memory chip 字节使能信号控制各个并行存储芯片的数据输出