A . 程序存储器地址为12H处
B . 程序存储器地址为123处
C . 片内RAM的12H处
D . 片内RAM的12处
[单选题]定义语句”unsigned char code x_at_123;”,是将变量x存储于()位置A . 程序存储器地址为123H处B . 程序存储器地址为123处C . 片外RAM的123H处D . 片外RAM的123处
[单选题]定义语句”char xdatad _at_0x123;”,是将变量x存储于()位置A . 片内RAM123H处B . 片内RAM123处C . 片外RAM123H处D . 片外RAM123处
val = b << 8 | a; //0x52=01010010左移8位为:010100100000000 =010100100000000|01001000 =0101001001001000 =0x5248 //16进制 =21064 //10进制unsigned long val = 0; char a = 0x48; char b = 0x52; val = b << 8 | a; £¯£¯
[单选题]设有定义:double x=2.12;,以下不能完整输出变量x值的语句是( )。A.printf("x=%5.0f ",x);B.printf("x
[单选题]设有定义:double x=2.12;,以下不能完整输出变量x值的语句是( )。A.printf("x=%5.0f ",x);B.printf("x
[单选题]设有定义:double x=2.12;,以下不能完整输出变量x值的语句是( )。A.printf(“x=%5.0f ”,x);B.printf(“x
[单选题]若有定义语句:int x=12,y=8,z;,在其后执行语句z=0.9+x/y;,则z的值为A.1.9B.1C.2D.2.4
[单选题]设有定义:double x=2.12;,以下不能完整输出变量x值的语句是( )。A.printf("x=%5.0f ",x);B.printf("x
[单选题]有以下程序 main() { unsigned char,a,b,c; a=0x3;b=a|0x8;c=b<<1; printf(“%d%d/n”,b,c); } 程序运行后的输出结果是A.-11 12B.-19C.12 24D.11 22
[单选题]有以下程序: main() { unsigned char a,b,c; a=0x3; b=a|0x8; c=b<<1; printf("%d%d/n",b,C); } 程序运行后的输出结果是( )。A.-11 12B.-6 -13C.12 24D.11 22