unsigned char 的最小值为()A、128B、255C、-127D、0
unsigned char 的最小值为()
- A、128
- B、255
- C、-127
- D、0
相关考题:
下列语句段中,正确的是( )。A.struct{int x;float y;int a[2];unsigned b[3];char name[10];};B.struct stu{unsigned a[3];unsigned b[4];}x;int*p=x.a;C.struct stu{int a;float x[4];}y={1,1.0};float data=y.x;D.struct nd{int a,b;unsigned c[2]=5;};
有以下程序main(){ union{ unsigned int n;unsigned char c;}ul;ul.c='A';printf("%c\n",ul.n);}执行后输出结果是A.产生语法错B.随机值C.AD.65
阅读以下说明和C语言代码,回答问题1至问题5,将解答填入答题纸的对应栏内。[说明]在实模式存储管理方案下,嵌入式系统的内存地址空间的布局一般可以分为五个段:代码段(text)、数据段(data)、bss段(bss)、堆(heap)和栈(stack)。图16-4为一段例程。1: include2: unsigned char gvCh;3: unsigned short gvShort;4: unsigned int gvInt = 0x12345678;5: unsigned long gvLong = 0x87654321;6: void main(void)7: {8: unsigned char array[lO],*p;9: p = malloc(lO*sizeof(char));10: while (1);代码段、数据段和bss段的大小是在什么时候确定的?
已知字符0的ASCⅡ码为十六进制数30,下面程序的输出是______。 main() { int i; union{unsigned char c;unsigned int i[4];}z; z.i[0]=0x39;z.i[1]=0x36; printf("%d\n",z.c); }A.56B.57C.58D.59
下面程序的运行结果为【】。 include void main() {unsigned char value=127;int tota 下面程序的运行结果为【 】。include <iostream.h>void main(){unsigned char value=127;int total=100;value++;total+=value;cout<<total<<end1;}A) 227 B) 100 C) 127 D) 27
以下程序的功能是进行位运算:include main( )unsigned char a,b;a =7∧3; b = ~43 以下程序的功能是进行位运算:#include <stdio.h>main( ) unsigned char a,b; a =7∧3; b = ~43; printf("% d %d \n" ,a,b);}程序运行后的输出结果是( )。A.4 3B.7 3C.7 0D.4 0
阅读以下程序段,在实模式存储管理方案中,gvCh存放在(36)中;main函数编译后的代码存入在(37)中;指针p存放在(38)中。#include<malloc. h>unsigned char gvCh;unsigned short gvShortunsigned int gvInt=0x12345678unsigned long gvLong=0x23456789;ovid main(void){ unsigned char array[10], *p;p=malloc(10 * sizeof(char))while(1)}A..text段B..data段C..bss段D.堆空间
What does the following function return?char foo(void){unsigned int a = 6;iht b = -20;char c;(a+b 6) ? (c=1): (c=0);return c;}
有以下程序:main(){ union{ unsigned int n; unsigned char c; }u1; u1.c='A'; printf("%c\n",u1.n);}执行后输出结果是( )。A.产生语法错B.随机值C.AD.65
已知字符0的ASCII码为十六进制的30,现有程序如下:includemain(){union{ unsigned char 已知字符0的ASCII码为十六进制的30,现有程序如下: #include <stdio.h> main() { union{ unsigned char c; unsigned int i[4]; }z; z.i[0]=0x39; z.i[1]=0x36; printf("%c\n",z.c); } 此程序的输出结果是( )。A.6B.9C.0D.3
下列语句段中,正确的是( )。A.struct {int x; float y; int a[2]; unsigned b[3]; char name[10]; };B.structstu { unsigneda[3]; unsigned b[4]; }x; int*p=x.a;C.struc tsu { int a; float x[4]; }y={1,1.0}; floatdat a=y.x;D.stmct nd {int a,b; unsigned c[2]=5; };
有以下程序:include main(){unsigned char a,b; a=413; b=43;printf("%d%d\n",a, 有以下程序: #include <stdio.h> main() { unsigned char a,b; a=413; b=43; printf("%d%d\n",a,b); } 执行后的输出结果是( )。A.7 0B.0 7C.1 1D.43 0
有以下程序: main() { union{ unsigned int n; unsigned char c; }u1; u1.c='A'; printf("%c\n",u1.n); } 执行后输出结果是( )。A.产生语法错误B.随机值C.AD.65
有以下程序 main() { union{ unsigned int n; unsigned char c; }ul; u1.c='A'; cout<<u1.n<<endl; } 执行后输出结果是A.产生语法错B.随机值C.AD.65
在C程序中,设一表达式中包含有int,long,char和unsigned类型的变量和数据,这四种类型数据的转换规则是()。A、int→unsigned→long→charB、char→int→long→unsignedC、char→int→unsigned→longD、int→char→unsigned→long
定义一个指向片内RAM40H开始的无符号字节指针的语句是:()A、unsigned char pdata*v=0x40;B、unsigned char data*v=0x40;C、unsigned char xdata*v=0x40;D、unsigned char code*v=0x40;
单选题在C程序中,设一表达式中包含有int,long,char和unsigned类型的变量和数据,这四种类型数据的转换规则是()。Aint→unsigned→long→charBchar→int→long→unsignedCchar→int→unsigned→longDint→char→unsigned→long