
C Programing --- Basic 02
Authored by 劉雲輝 劉雲輝
Computers
University
Used 38+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
定義一個自訂函式如下:
函式型態 sum(int first,int n,int ratio){
int i,total=0;
for(i=1;i<=n;i++)
total = total +(first*pow(ratio,i-1));
return total;
}
請問函式型態為下列何者?
void
char
int
float
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
定義一個自訂函式如下:
函式型態 transform(float c){
c=c*9/5+32;
return c;
}
請問函式型態為下列何者?
void
float
int
char
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
定義一個自訂函式如下:
函式型態 forward(){
digitalWrite(A_1A, LOW);
analogWrite(A_1B, Speed);
digitalWrite(B_1A, LOW);
analogWrite(B_1B, Speed);
}
請問函式型態為下列何者?
void
float
int
char
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下是C程式碼片斷,請問執行後,螢幕會顯示何內容?
int test(int a,int b){
int i,total=0;
total=a*b;
return total;
}
int main(void)
{
printf("%d \n",test(2,3)); //printf()是顯示資料於螢幕的庫存函式,%d為整數格式
return 0;
}
2
3
5
6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Arduino Uno板可使用analogWrite(3,數值)輸出PWM,
請問數值範圍為何?
0~5
0~10
0~255
0~1023
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Arduino Uno板可使用
x=analogRead();
來讀取類比訊號,
請問x數值的範圍為何?
0~5
0~10
0~255
0~1023
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於馬達驅動板L298N,圖中?處的四個接腳是作何用?
控制馬達旋轉速度
控制馬達旋轉方向
馬達驅動電源的輸入
馬達驅動電源的輸出
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