Int a,b=12; cout <<a,b; // output =8. Why???

Answer 1

If the whole thing is

int a, b = 12;
cout << a, b;

then, the output would be the a's value which is some garbage value.

Answer 2

Nguyễn Quang Huy
Garbage values refer to some preoccupied and meaningless values in memory which left over from other program's activities.
Since you weren't initialized the a variable, its content is garbage.

Answer 3

garbage value. what is this

Answer 4

ok. thanks