1. C++ objects are passed by address by default.

   True

   False

2 points

QUESTION 6

1. Variables with static storage class are allocated and initialized once at the beginning of the program and remain allocated until the program ends.

   True

   False

1 points

QUESTION 7

1. A C++ program named examProg that has been coded to accept command-line arguments is run at the Unix command line as follows:

   z1234567@turing:~$ ./examProg data.txt 20 3

   What will be the value of the parameter argc?

   	A.	3
   	B.	4
   	C.	2
   	D.	1

2 points

QUESTION 8

1. A C++ program named examProg that has been coded to accept command-line arguments is run at the Unix command line as follows:

   z1234567@turing:~$ ./examProg data.txt 20 3

   What will be the value of the parameter argv[2]?

   	A.	The C string "data.txt"
   	B.	The C string "20"
   	C.	The integer value 20
   	D.	The C string "./examProg"

2 points

QUESTION 9

1. After three passes through the outer loop of a sorting algorithm, an array changes from

   43

   16

   48

   37

   81

   54

   71

   29

   to

   16

   29

   37

   48

   81

   54

   71

   43

   What sorting algorithm is being used to sort the array?

   	A.	Bubble sort
   	B.	Selection sort
   	C.	Insertion sort

2 points

QUESTION 10

1. Arrays in C++ are passed by __________ by default.

   	A.	value
   	B.	address
   	C.	reference

2 points

QUESTION 11

1. Assume that we have the following C++ program:

   #include  using namespace std; int num = 10; int sum(int, int); int main() { int x = 3, y = 5; cout << sum(x, y) + num << endl; return 0; } int sum(int a, int b) { return (a + b); } 

   What is the storage class of the variable a?

   	A.	static storage
   	B.	automatic storage
   	C.	dynamic storage

2 points

QUESTION 12

1. Assume that we have the following C++ program:

   #include  using namespace std; int num = 10; int sum(int, int); int main() { int x = 3, y = 5; cout << sum(x, y) + num << endl; return 0; } int sum(int a, int b) { return (a + b); } 

   What is the scope of the variable num?

   	A.	block scope
   	B.	class scope
   	C.	file scope
   	D.	function scope

2 points

QUESTION 13

1. Assume that we have the following C++ program:

   #include  using namespace std; int num = 10; int sum(int, int); int main() { int x = 3, y = 5; cout << sum(x, y) + num << endl; return 0; } int sum(int a, int b) { return (a + b); } 

   What is the linkage of the variable num?

   	A.	external linkage
   	B.	no linkage
   	C.	internal linkage

2 points

QUESTION 14

1. Assume that we have the following C++ program:

   #include  using namespace std; static int num = 10; int sum(int, int); int main() { int x = 3, y = 5; cout << sum(x, y) + num << endl; return 0; } int sum(int a, int b) { return (a + b); } 

   What is the linkage of the variable num?

   	A.	internal linkage
   	B.	no linkage
   	C.	external linkage

2 points

QUESTION 15

1. Assume that you have the following variable declarations:

   char food[20] = "cheeseburger"; char lunch[20]; 

   Which of the following code fragments will copy the C string in the array food into the array lunch?

   	A.	strcpy(food, lunch);
   	B.	strcpy(lunch, food);
   	C.	food = lunch;
   	D.	lunch = food;