C++ Programming I - Ch 5 - 8 (Gaddis)

Front 1

This is a special value that marks the end of a list of values

Back 1

SENTINEL

Front 2

If you place a semicolon after the test expression in a while loop, it is assumed to be a(n)

Back 2

NULL STATEMENT

Front 3

The statements in the body of a while loop may never be executed, whereas the statements in the body of a do-while loop will be executed

Back 3

AT LEAST ONCE

Front 4

A for statement contains three expressions: initialization, test, and

Back 4

UPDATE

Front 5

Something within a while loop must eventually cause the condition to become false, or a(n) ________ results

Back 5

INFINITE LOOP

Front 6

This is a pre-test loop that is ideal in situations where you do not want the loop to iterate if the condition is false from the beginning

Back 6

WHILE

Front 7

This is a control structure that causes a statement or group of statements to repeat

Back 7

LOOP

Front 8

These are operators that add and subtract one from their operands

Back 8

++ and --

Front 9

This is a variable that is regularly incremented or decremented each time a loop iterates

Back 9

COUNTER

Front 10

Which of the following statements about global variables is true?

Back 10

A global variable can have the same name as a variable that is declared locally within a function.

Front 11

A function ________ eliminates the need to place a function definition before all calls to the function

Back 11

PROTOTYPE

Front 12

This is a dummy function that is called instead of the actual function it represents

Back 12

STUB

Front 13

EXIT_FAILURE and ________ are named constants that may be used to indicate success or failure when the exit( ) function is called

Back 13

EXIT_SUCCESS

Front 14

If a function is called more than once in a program, the values stored in the function's local variables do not ________ between function calls

Back 14

PERSIST

Front 15

This function causes a program to terminate, regardless of which function or control mechanism is executing

Back 15

EXIT()

Front 16

A function ________ contains the statements that make up the function

Back 16

DEFINITION

Front 17

It is a good programming practice to ________ your functions by writing comments that describe what they do

Back 17

DOCUMENT

Front 18

Subscript numbering in C++

Back 18

BEGINS WITH ZERO

Front 19

By using the same ________ you can build relationships between data stored in two or more arrays

Back 19

SUBSCRIPT

Front 20

It is ________ to pass an argument to a function that contains an individual array element, such as numbers[3]

Back 20

LEGAL IN C++

Front 21

An array with no elements is

Back 21

ILLEGAL IN C++

Front 22

A two-dimensional array can have elements of ________ data type(s)

Back 22

ONE

Front 23

A(n) ________ can be used to specify the starting values of an array

Back 23

INITIALIZATION LIST

Front 24

Which statement correctly defines a vector object for holding integers?

Back 24

vector v

Front 25

When this operator is used with string operands it concatenates them, or joins them together

Back 25

+

Front 26

A variable whose value can be either true or false is of this data type

Back 26

BOOL

Front 27

This manipulator causes the field to be left-justified with padding spaces printed to the right

Back 27

LEFT

Front 28

The ________ sort usually performs fewer exchanges than the ________ sort

Back 28

SELECTION

BUBBLE

Front 29

A ________ algorithm is a method of locating a specific item of information in a larger collection of data

Back 29

SEARCH

Front 30

Before you can perform a selection sort, the data must be stored in ascending order

Back 30

FALSE

Front 31

________ algorithms are used to arrange random data into some order

Back 31

SORTING

Front 32

The number of comparisons made by a binary search is expressed in powers of two

Back 32

TRUE

Front 33

In a C++ program, two slash marks ( // ) indicate

Back 33

COMMENT

Front 34

A(n) ________ search uses a loop to sequentially step through an array

Back 34

LINEAR

Front 35

This statement will pause the screen, until the [Enter] key is pressed

Back 35

cin.get()

Front 36

Using a linear search to find a value that is stored in the last element of an array of 20,000 elements, ________ element(s) must be compared

Back 36

20,000

Front 37

What will the following loop display?

int x = 0;

while (x < 5)

{

cout << x << endl;

x++;

}

Back 37

0

1

2

3

4

Front 38

What will the following code display?

int number = 6

int x = 0;

x = --number;

cout << x << endl;

Back 38

5

Front 39

How many times will the following loop display "Hello"

for (int i = 0; i < 20; i++)

cout << "Hello!" << endl;

Back 39

20

Front 40

How many times will the following loop display "Hello"

for (int i = 20; i > 0; i--)

cout << "Hello!" << endl;

Back 40

20

Front 41

What is the output of the following program?

# include

using namespace std;

int getValue(int);

int main( )

{

int x = 2;

cout << getValue(x) << endl;

return 0;

}

int getValue(int num)

{

return num + 5;

}

Back 41

7

Front 42

What is the output of the following program?

# include

using namespace std;

void showDub(int);

int main( )

{

int x = 2;

showDub(x);

cout << x << endl;

return 0;

}

void showDub(int num)

{

cout << (num * 2) << endl;

}

Back 42

4

2

Front 43

Which line in the following program contains a call to the showDub function?

1 #include

2 using namespace std;

3

4 void showDub(int);

5

6 int main( )

7 {

8 int x = 2;

9

10 showDub(x);

11 cout << x << endl;

12 return 0;

13 }

14

15 void showDub(int num)

16 {

17 cout << (num * 2) << endl;

18 }

Back 43

10. showDub(x);

Front 44

A two-dimensional array of characters can contain:

• uninitialized elements
  
• strings of the same length
  
• None of these
  
• strings of different lengths
  
• All of these
  

Back 44

ALL OF THESE

Front 45

How many elements does the following array have?

int bugs[1000];

Back 45

1,000

Front 46

What will the following code display?

int numbers[ ] = {99, 87, 66, 55, 101 };

cout << numbers[3] << endl;

Back 46

55

Front 47

What is the last legal subscript that can be used with the following array?

int values[5];

Back 47

4

Front 48

What will the following code display?

int numbers[ ] = { 99, 87, 66, 55, 101 };

for (int i = 1; i < 4; i++)

cout << numbers[i] << endl;

Back 48

87

66

55

Front 49

What does the following statement do?

vector v(10, 2);

Back 49

vector object = size 10 and 2 elements

Front 50

Assuming dataFile is a file stream object, the statement dataFile.close();

Back 50

Closes a file

Front 51

This statement may be used to stop a loop's current iteration and begin the next one.

Back 51

Continue

Front 52

This statement may be used to stop a loop's current iteration and begin the next one.

Back 52

post-test

Front 53

Look at the following statement.

while (x++ < 10)

Which operator is used first?

Back 53

<

Front 54

This may be used to write information to a file.

Back 54

stream insertion operator

Front 55

In a for statement, this expression is executed only once.

Back 55

Initialization

Front 56

The while loop has two important parts: an expression that is tested for a true or false value, and:

Back 56

a statement or block that is repeated as long as the expression is true

Front 57

What is the output of the following code segment?

n = 1;

for (n <= 5; )

cout << n << ' ';

n++;

Back 57

1 1 1....and forever

Front 58

What is the output of the following program?

#include

using namespace std;

void doSomething(int);

int main( )

{

int x = 2;

cout << x << endl;

doSomething(x);

cout << x << endl;

return 0;

}

void doSomething(int num)

{

num = 0;

cout << num << endl;

}

Back 58

2

0

2

Front 59

What is the output of the following program?# include using namespace std; void doSomething(int&);int main( ){ int x = 2; cout << x << endl; doSomething(x); cout << x << endl; return 0;}void doSomething(int& num){ num = 0; cout << num << endl;}

Back 59

2

0

2

Front 60

This type of variable is defined inside a function and is not accessible outside the function.

Back 60

Local

Front 61

This is a statement that causes a function to execute.

Back 61

function call

Front 62

A function can have zero to many parameters, and it can return this many values.

Back 62

only one

Front 63

These types of arguments are passed to parameters automatically if no argument is provided in the function call

Back 63

default

Front 64

A(n) ________ is information that is passed to a function, and a(n) ________ is information that is received by a function.

Back 64

argument

parameter

Front 65

If a function does not have a prototype, default arguments may be specified in the function_______

Back 65

header

Front 66

An array's size declarator must be a(n)________ with a value greater than ________

Back 66

constant integer expression

zero

Front 67

To assign the contents of one array to another, you must use:

Back 67

a loop to assign the elements of one array to the other array

Front 68

To access an array element, use the array name and the element's:

Back 68

subscript

Front 69

A two-dimensional array can be viewed as ________ and ________

Back 69

rows, columns

Front 70

Which of the following is a valid C++ array definition?

Back 70

int scores [10];

Front 71

An element of a two-dimensional array is referred to by ________ followed by ________

Back 71

the row subscript of the element, the column subscript of the element

Front 72

This vector function returns the number of elements in a vector.

Back 72

size

Front 73

The ________ is automatically appended to a character array when it is initialized with a string constant

Back 73

null terminator

Front 74

The individual values contained in array are known as:

Back 74

elements

Front 75

An array can store a group of values, but the values must be:

Back 75

the same data type

Front 76

To pass an array as an argument to a function, pass the ________ of the array

Back 76

name

Front 77

The advantage of a linear search is its

Back 77

simplicity

Front 78

Before you can perform a bubble sort, the data must be stored in descending order

Back 78

False

Front 79

Using a binary search, you are more likely to find an item than if you use a linear search

Back 79

False

Front 80

Regardless of the algorithm being used, a search through an array is always performed

Back 80

None of These

Front 81

A linear search can only be implemented with integer values

Back 81

False

Front 82

A binary search begins with the ________ element of an array

Back 82

middle

Front 83

The bubble sort is an easy way to arrange data into ascending order, but it cannot arrange data into descending order

Back 83

False

Front 84

What will the following code display?int number = 6;number++;cout << number << endl;

Back 84

7

Front 85

What is the output of the following statement? cout << 4 * (15 / (1 + 3)) << endl;

Back 85

12