单选题:调制解调器(Modem)的作用是( )。 题目分类:OFFICE 题目类型:单选题 查看权限:VIP 题目内容: 调制解调器(Modem)的作用是( )。 A.将数字脉冲信号转换成模拟信号 B.将模拟信号转换成数字脉冲信号 C.将数字脉冲信号与模拟信号互相转换 D.为了上网与打电话两不误 参考答案: 答案解析:
Which of the following statements is TRUE according to the Which of the following statements is TRUE according to the passage? A.People’s 分类:OFFICE 题型:单选题 查看答案
区位码输入法的最大优点是( )。 区位码输入法的最大优点是( )。A.只用数码输入,方法简单、容易记忆 B.易记、易用 C.一字一码,无重码 D.编码有规律,不易忘汜 分类:OFFICE 题型:单选题 查看答案
It can be inferred from the last two paragraphs that_______ It can be inferred from the last two paragraphs that__________. A.everyone woul 分类:OFFICE 题型:单选题 查看答案