Incorrect

Marks for this submission: 0/1.

Question 15

Marks: 1

The __________ operator reclaims memory previously allocated by new.

Choose one answer.

	a. delete
	b. remove
	c. terminate
	d. clear
	e. execute

Correct

Marks for this submission: 1/1.

Question 16

Marks: 1

Which header file do you need to include to use typecasting?

Choose one answer.

	a. math.h
	b. None
	c. fstream.h
	d. ctype.h
	e. iostream.h

Incorrect

Marks for this submission: 0/1.

Question 17

Marks: 1

What can be at output ? #include <iostream> using namespace std; int main(){ int a = 5; a = *&*&*&*&a; cout << *&*&*&*&a << " "; cout << &*&*&*&a << " "; return 0; }

Choose one answer.

	a. 0x22ff74 5
	b. 5 0x22ff74
	c. 7 0x22ff82
	d. 6 0x22ff78

Correct

Marks for this submission: 1/1.

Question 18

Marks: 1

A selection sort application would take approximately ________ times as long to run on a 128-element vector as on a 32-element vector.

Choose one answer.

	a. 32, because an O(n2) algorithm takes 32 times as long to sort four times as much information
	b. 16, because an O(n2) algorithm takes 16 times as long to sort four times as much information

Correct

Marks for this submission: 1/1.

Question 19

Marks: 1

Write a single statement that performs the specified task. Assume that floating-point variables number1 and number2 have been declared and that number1 has been initialized to 7.3. Assume that variable ptr is of type char *. Assume that arrays s1 and s2 are each 100-element char arrays that are initialized with string literals. Print the value of the object pointed to by fPtr.

Choose one answer.

	a. cout << "The value of &fPtr is " << &fPtr << endl;
	b. cout << "The value of fPtr is " << fPtr << endl;
	c. cout << "The value of *fPtr is " << *fPtr << endl;

Correct

Marks for this submission: 1/1.

Question 20

Marks: 1

What will !((1 || 0) && 0) evaluate to?

Choose one answer.

	a. Wrong code
	b. Undefined behaviour
	c. 1
	d. I don't know
	e. 0