将变量temp定义为片外RAM区的无符号字符型变量的正确写法是( )
A: unsigned char data temp
B: signed char data temp
C: unsigned char code temp
D: unsigned char xdata temp
A: unsigned char data temp
B: signed char data temp
C: unsigned char code temp
D: unsigned char xdata temp
举一反三
- 将aa定义为片外RAM区的无符号字符型自动变量的正确格式是______。( ) A: unsigned char xdata aa; B: extern signed char data aa; C: unsigned char data aa; D: signed char xdata aa;
- 设编译模式为Small，将bmp定义为片内RAM区的无符号字符型变量的正确写法是（ ）。 A: char data bmp; B: unsigned char bmp; C: extern signed char data bmp; D: unsigned char xdata bmp;
- 设编译模式为SMALL，将csk定义为片内RAM区的无符号字符型变量的正确写法是（）。 A: char data csk; B: unsigned char csk; C: extern signed char data csk; D: unsigned char xdata csk;
- 【程序分析题】#define uchar unsigned char uchar temp; P1=0xff; temp=P1&0xff; if(temp!=0xff)
- 将bmp定义为片内RAM区的有符号字符型静态变量的正确写法是_____。 A: static char xdata bmp; B: signed char data bmp; C: static char data bmp; D: static unsigend char data bmp;