我给孩子教：计算机基础

Bit、Byte、M、G (比特和字节 重点)

认识电脑中的计算器 calc

字与字节的关系

区位码、国标码、机内码

点阵及点阵屏(胸牌)

16*16点阵汉字输出

ASCII

实例(如何判断字符是数字，字母，大写字母还是小写字母)

void shiftleft()

{

int a = 10;

int b = a << 0;

cout << "a =" << a << endl;

cout << "a << 0=" << b << endl;

b = a << 1;

cout << "a << 1=" << b << endl;

b = a << 2;

cout << "a << 2=" << b << endl;

b = a << 3;

cout << "a << 3=" << b << endl;

b = a << 4;

cout << "a << 4=" << b << endl;

b = a << 5;

cout << "a << 5=" << b << endl;

b = a << 6;

cout << "a << 6=" << b << endl;

}

void testbool()

{

int a1 = 765; //int a1=765,b1=78;

int b1 = 78;

bool hu = (a1 > b1);

if (hu)

{

cout << "对" << endl;

}

else

{

cout << "错" << endl;

}

}

void oliver(void); //向前申明 或者 说明

int threeIntAdd(int a, int b,int c )

{

int sum = a + b ;

return sum;

}

int main()

{

testbool();

shiftleft();

oliver();

int a1, b, c;

int b2,c2;

cin >> a1;

cin >> b;

cin >> c;

int sum = threeIntAdd(a1, b, c);

cout << "sum: " << sum << endl;

return 0;

}

void oliver(void)

{

int q = 1024;

int w = q >> 10;

cout << w << endl;

}