C++ Ch. 7 Arrays, Vectors

To refer to a particular location or element in the array, we specify the name of the array and the position  _______ of the particular element.

The position number is more formally called a subscript or index (this number specifies the number of elements from the beginning of the array).

• True

• False

Which of the following is an array declaration with initalizers

• Int n[ 10 ];

• Int *n;

• Int &n = 10;

• Int n[10] = { 1, 2, 3, 4, 5 };

The value of the name of the array is the address in the computer’s memory of the first element of the array.Because the starting address of the array is passed, the called function knows precisely where the array is stored in memory.

• True

• False

Which is the array name?int int1[ int2 ];

• Int

• Int1

• Int2

Static int array1[ arraySize];Will initialize each element to 0 the first time it is called.

• True

• False

A subscript/index must be an integer or integer expression (using any integral type).

• True

• False

If the array size is omitted from a declaration with an initializer list, the compiler determines the number of elements in the array by counting the number of elements in the initializer list.

• True

• False

A multidimensional array is declared as such: int array[name1][name2];

• True

• False

Int n[11];What is the last index number (or subscript) of this array?

• 11

• 12

• 9

• 10

• None of the above

Pass by reference means that the calling function can read and write to the original values.

• True

• False

An array is a ....

• Non consecutive group of memory locations that share the same type

• Consecutive group of memory locations that share the same type

• Non consecutive group of memory locations that have different types

• Simple data structure containing identical types

If a static array is not initialized explicitly by you, each element of that array is initialized to zero by the compiler when the array is created.

• True

• False

When passing an array to a function, the array size is normally passed as well, so the function can process the specific number of elements in the array.

• True

• False

C++ passes arrays to functions by reference—the called functions can modify the element values in the callers’ original arrays.

• True

• False

The name of the array is the address in the computers memory of the first element of the array

• True

• False

In the statement:int a [ arraySize ] = { 87, 64, 52, 4, 45, 63, 55, 22, 78 };What is the element that is in the 7th index position?

• 55

• 22

• 63

• 78

Although entire arrays are passed by reference, individual array elements are passed by value exactly as simple variables are.

• True

• False

A multidimensional array is declared as such:int array[ [] ];

• True

• False

What is the most dominant method for accessing and printing an entire array.

• IF

• WHILE

• IF ELSE

• FOR

• None of the above

This statement will not compileint array[] = {1, 2, 3, 4};

• True

• False

Arrays are always _______ structures because they remain the same size throughout execution

A multidimensional array cannot be initialized in its declaration  unlike a one-dimensional array.

• True

• False

Applying 'static' to an array declaration will allow the array not to be created and initialized each time a program calls a function containing the array.

• True

• False

Providing more initializers in an array initializer list than there are ___________ in the array is a compilation error.

Passing arrays by value would mean that each element would be copied to the calling function, thus causing a penalty in performance speeds.

• True

• False

Arrays with two dimensions (i.e., subscripts) often represent tables of values consisting of information arranged in ____ and __________.*Enter your answer in the form of:   word1 word2

[ ] and ( ) have the highest precedence

• True

• False

The first element in every array has subscript ______ and is sometimes called the _____th element.

Not assigning a value to a constant variable when it is declared....

• Will allow you to modify it during program execution

• Will take on a random value when called

• Will cause a compilation error

• Does not matter because it will allow for modification later

Only constants can be used to declare the size of automatic and status arrays. Not using a constant for this purpose is a compilation error.

• True

• False

Character arrays can also represent ________ (hint: types)

An array is a _____________ group of memory locations that all have the same type.

In order to declare an array of a certain size, you must indicate three things. Check all that apply

• Type

• Name

• Array Size

• Element Initializer List

• All of the above

It is good practice to declare more than one array per declaration to enhance readability.

• True

• False

Int n[11];How many possible elements can be stored in this array?

• 12

• 10

• 11

• 9

Const int rows = 2;const int columns = 3;int array1[ rows ][ columns ] = { { 1, 2 } } , { 4 } };The outputs will be:

• 1 2 4

• 1 2 0 4 0 0

• 1 2 0 0 4 0

• 1 2 0 4 0

At ___________ , the compiler reserves the appropriate amount of memory (arrays).

• Run time

• Program termination

• The middle point of execution

• Compilation

This is a static arrayint n[];

• True

• False

Arrays with multiple dimensions are known as ______ by _________ arrays.*Enter your answer in the form of:   word1 word2 (with a space separating answers)

What is wrong with this code?int SIZE = 7;int array[ SIZE ];

• Size does not need to be declared

• Size should be declared as type double

• Size should be declared as a constant

• Nothing

If the array size is omitted from a declaration with an initializer list, the compiler determines the number of elements in the array by accessing the closest constant integer to the statement.

• True

• False

The linear search compares each element of an array with a __________

Vectors are declared as such:

• Vector< type > size (name);

• Vector< type > name (size);

• Vector< name > type (size);

• Type < vector > name (size);

Const int x;x = 7;Will this compile?

• Yes

• No

C++ passes arrays to functions by value—the called functions can modify the element values in the callers’ original arrays.

• True

• False

Pass by value means that the calling function can read and write to the original values.

• True

• False

If a static array is not initialized explicitly by you, the program will not compile

• True

• False