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【多选题】
下列关于子程序的说法正确的是（）。A.
子程序可以提供模块化的程序设计
B.
使用子程序可以节省存储空间
C.
使用子程序可以降低运行速度
D.
使用子程序可以提高运行速度
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举一反三
【简答题】第一个C程序。 问题描述:通常学习一门编程语言,开始的第一个程序就是将 “Hello World” 显示在屏幕上。请大家参照如下代码的样子,写出自己的第一个 C 语言程序。亲,一定要自己写,直接粘贴是练不到的哦!一定注意字母大小写! 提示: 1.程序语言请选择 C / C++或DEV C++ ; 2.main 函数的返回类型一定要是整型且不可省略。 #include int main() { p...
【简答题】Signal cable for force control为 。
【简答题】编程题第2题第(1)小题的代码是如下: 第一行:定义2个变量i和s,i变量用于后期循环时使用,s变量用于计算求和时使用,请注意定义时它们的数据类型,代码是:( )
【单选题】A user states that they are trying to project their laptop to a screen for a presentation. They have plugged the projector cable into their laptop, and turned the projector on, but no signal is found....
A.
Ensure the projector is receiving power
B.
Verify the laptop is not running on battery
C.
Toggle the function key for displays
D.
Replace the projector cable with another
【简答题】The propagation delay is the time that is required for the energy of a signal to propagate from one point to another. a. Find the propagation delay for a signal traversing the following networks at th...
【简答题】What is the length of a contention slot in CSMA/CD for (a) a 2-km twin-lead cable (signal propagation speed is 82% of the signal propagation speed in vacuum)? (b) a 40-km multimode fiber optic cable (...
【单选题】The signal from the cable is too strong for our television. We’ll have to use a filter toattenuateit.When you attenuate something, you _______________.
A.
watch it carefully
B.
take good care of it
C.
make it be less
D.
get past it
【简答题】编程题第1题第(1)小题的代码是如下: 第一行:定义1个变量i,此变量用于后期循环时使用,请注意定义时它的数据类型,代码是:( )
【单选题】Which of the following SCSI signaling systems uses one return line for every outgoing line， is less susceptible to interference， signal degradation， crosstalk， and allows a cable length of up to 25 me...
A.
SE （Single Ended）
B.
DE （Double Ended）
C.
LVD （Low Voltage Differential）
D.
HVD （High Voltage Differential）
【单选题】S1:MV Blue Whale, Captain to Mate. Is the anchor ready for letting go?S2:MV Blue Whale, Mate to Captain. Port anchor ready for letting go. The anchor is just above the water.S1:MV Blue Whale, Captain ...
A.
to weigh anchor.
B.
let go anchor.
C.
to hoist anchor signal.
D.
to lower anchor signal.
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