字符“A”的ASCII值为41H,因此字符“E”的ASCII值为 【3】 ,前面加上偶校验位后的代码为C5H。
参考答案:45H
I will give _____ students _____ minutes for them to finish their exercise. [ ]
A. the other; other five
B. the other; another five
C. other; five more
D. other; more five
有一长2km、截面积为4mm2圆铜线,试求导线的电阻为多大?(导线的电阻率Ρ=0.0175Ω.mm2/m)