What is the output of the following code snippet? int* ptr; *ptr = *ptr + 5; cout << *ptr << endl; There is no output due to compilation errors. The address stored in ptr 5 It results in an unpredictable error when the code is run because it uses an uninitialized pointer

Question 2 Choose the correct answer after considering the following statements: 1. A weak pointer can be used to delete the object to which it points if a temporary shared pointer is created from the weak pointer. 2. Proper use of weak pointers can prevent memory leaks. 3. Weak pointers observe and don't own resources. O Only 1 is true O Only 1 and 3 are true O Only 3 is true O Only 2 and 3 are true O Only 2 is true

a) Write the definition of a subroutine that swaps the first and the last members of an array of 10double-words. Note that the array is pointed by SI.b) Write the definition of another subroutine, which multiplies the least significant nibble and the most significant nibble of AX register. The result is to be saved into AL.

Given variables category, heat, and voltage, declare and assign the following pointers: • character pointer categoryPointer is assigned with the address of category. • integer pointer heatPointer is assigned with the address of heat. • double pointer voltagePointer is assigned with the address of voltage. Ex: If the input is V 150 5.5, then the output is: Product category: V Operational limit: 150 degrees at 5.5 volts. 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20} char category; int heat; double voltage; *Your code goes here */ cin>> category; cin >> heat; cin>> voltage; cout << "Product category: cout << "Operational limit: return 0; << *categoryPointer << endl; << *heatPointer << degrees at << fixed << setprecision (1) << *vol