题目内容
I have _____ fresh cakes here. Why don't you try them?
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写出下列程序运行结果。（）voidmain(void){inti,sum;sum=0;for(i=1;i<=10;i++){sum=sum+i;if(sum>5)break;}print(“sum=%d\n”,sum);
下列程序段能够计算________,返回值类型_______。float avg(float *sample){ float sum=0;char n=0;do{ sum+=sample[n];n++;} while(n<10);return(sum/10);}
下列程序段运行后，当dat=30时,P0= ( )undigned char Tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};//数字0,1,2...9的段码表void Display(unsigned char dat){P2=0xf7;P0=Tab[dat/10];}
检测开关处于闭合状态还是打开状态，只需把开关一端接到I/O端口的引脚上，另一端接地，然后通过检测 来实现
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