题目内容

在VHDL中,“与”、“或”、“非”的逻辑操作符分别是

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端口的四种模式(英文)分别是

VHDL中的关键词在编译中不区分大写和小写

A. 对
B. 错

并行条件信号赋值语句“y<=a WHEN s=‘0’ELSE b”描述的是：当s为0时，y等于b；当s为1时，y等于a。

A. 对
B. 错

Complete the following dialogues, using the words and phrases in brackets. Make changes or additions where necessary.Model:A: I’m really mad at James. He is spending so much time playing computer games.B: Well, you should control the urge to criticize him all the time. Exercise some patience and try to find activities that will truly divert his attention. (criticize, urge)1. A: What is it that interests you so much? You’ve been on the net for so long.B: Advertisements. You know, as you, you will _ advertisements for products that you are interested in. (Internet, at times, surf)