题目内容

数码管分共阴和共阳两种形式。

A. 对
B. 错

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unsigned char table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};这是共阳极数码管码表()。

A. 对
B. 错

#include#define LED_PORT P2void delay_ms(unsigned int z){unsigned int x,y;for(x=0;x

A. 对
B. 错

#include#define LED_PORT P2void delay_ms(unsigned int z){unsigned int x,y;for(x=0;x

A. 对
B. 错

unsigned char table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};void main(){char i=0;for(i=0;i<10;i++){LED_PORT=table[i];delay_ms(1000);}}上述程序可以显示0-9.()

A. 对
B. 错

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