The basic units of（ ）computer system are as follows:A.CPU,memory and diskB.CPU,input and outputC.CPU,memory and ALUD.CPU,memory and I/O system
The basic units of（ ）computer system are as follows:
A.CPU,memory and disk
B.CPU,input and output
C.CPU,memory and ALU
D.CPU,memory and I/O system
B.CPU,input and output
C.CPU,memory and ALU
D.CPU,memory and I/O system
参考解析
解析：翻译：
以下属于计算机系统基本组成单位的是（72）。
CPU,内存和磁盘
B. CPU，输入和输出
C. CPU,内存和运算单元（ALU）
D. CPU,内存和输入输出系统
计算机系统的基本单位是:CPU、内存和I / O系统。
以下属于计算机系统基本组成单位的是（72）。
CPU,内存和磁盘
B. CPU，输入和输出
C. CPU,内存和运算单元（ALU）
D. CPU,内存和输入输出系统
计算机系统的基本单位是:CPU、内存和I / O系统。
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