4-) 1- What is the 16-bit binary equivalent of the hexadecimal number OxA5? www ih instrum 5- w 2- In which segment does dynamic memory allocation take place? w 3- If a circuit operating at 50 Mhz produces 1 output for every 12 clock ticks, what is the delay of this circuit? int a 10, b = 20; int f1(int a) { return (a * b); } int main() { printf("%d", f1(5)); return 0; What is the output ? int a[] { 2,1 }; int main() { wwwwwwwwwwww printf("%d", *a); return 0; What is the output