A(72)consists of the symbols, characters, and usage roles that permit people to communicate with computer.

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问题 A(72)consists of the symbols, characters, and usage roles that permit people to communicate with computer.

选项 A、programming language
B、network
C、keyboard
D、display

答案A

解析 程序设计语言由符号、字符及使用规则组成,使人们可以与计算机通信。
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