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一个完整的计算机系统应包括 ( )

单选题
2021-09-08 14:07
A、 系统硬件和系统软件
B、 硬件系统和软件系统
C、 主机和外部设备
D、 主机、键盘、显示器和辅助存储器
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正确答案
B

试题解析

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