Question 39

When an array is passed to a function, it is actually ________ the array that is passed.

		the starting memory address of
		a copy of all the values in
		the value stored in the first element of
		the data type and size of
		the data type and name of

2 points

Question 40

When an array is passed as an argument to a function, the function can modify the contents of the array.

True

False

2 points

Question 41

A two-dimensional array can be viewed as

		two rows of values.
		two columns of indexes.
		a table with rows and columns.
		any of the above.
		none of the above.

2 points

Question 42

True/False: A one-dimensional array can only store elements of a single data type, but a two-dimensional array can hold data of two different data types.

True

False

2 points

Question 43

An array of 10 integers named arr can have its contents displayed with which of the following statements?

		cout << arr;
		cout << arr[];
		cout << arr[10];
		cout << arr[0-9];
		none of the above

2 points

Question 44

If the size declarator is omitted in an array declaration

		the array will contain no elements.
		the array size defaults to 100 elements.
		the value of each array element is set to a default value of 0.
		the declaration must have an initialization list.
		the array cannot be created.

2 points

Question 45

The statement typedef int oneDArray[20]; does which of the following?

		creates an array of 20 integers
		makes oneDArray a copy of another 20-integer array
		makes oneDArray an alias for a data type that holds 20 integers
		creates a one-dimensional integer array with all elements initialized to 20
		none of the above

2 points

Question 46

When an object instance is passed to a function as a constant reference

		the function accesses the original object, rather than a copy of it.
		the function cannot make any changes to the member variables.
		it is more efficient than passing it by value.
		all of the above are true.
		A and B are true, but not C.

2 points

Question 47

The following statement adds a new element to the department vector at index 25:department.push_back(25);

True

False

2 points

Question 48

Assuming employee is an array of objects with a public member function named setHourlyWage, the following statement correctly calls this method for employee[2]. employee.setHourlyWage[2](20.00);

True

False

2 points

Question 49

A copy constructor is used when objects are passed by reference.

True

False

2 points

Question 50

If iter is an iterator for a map of type map, the type of the expression iter->second is ________.

2 points

Question 51

Write the destructor prototype for the class Station.