What does the following code? while (numforks<maxf) { pid_tpid = fork(); if (pid == 0) { //do something exit(1); } else { numforks++; } while (numforks>= maxf) { wait(NULL); numforks--; } }

This C++ definition: int* x = 0; Which of the following expressions refers to the location of the variable x in memory?

Below sequence of C++ statements? int a = 7; int& r = a; r = 8;

Reference is like a ____.

Best way to implement mathematical matrix operation such as plus, minus and multiply with C++? A- Define matrix operation functions like below. Matrix Matrix :: pls(Matrix mat1, Matrix mat2); Matrix Matrix :: min(Matrix mat1, Matrix mat2); Matrix Matrix :: mlt(Matrix mat1, Matrix mat2); B- Override operators like below Matrix Matrix :: operator +(Matrix m2) Matrix Matrix :: operator -(Matrix m2) Matrix Matrix :: operator *(Matrix m2)

Correct way to declare a function as constant?

Which is TRUE? (Choose all that apply)

Which is true? (Choose all that apply)

Output of following program? #include using namespace std; int main() { int i, j; j = 0; i = (j++, j + 1, 2 + j); cout << i; return 0; }

Output of the following? #include using namespace std; int main () { int x, y; x = 1; y = ++x * ++x; cout << x << y; x = 1; y = x++ * ++x; cout << x << y; return 0; }

Output of following code:- #include using namespace std; int main() { int a = 1, b = 2, c, d; c = a, b; d = (a, b); cout << c << ' ' << d; return 0; }