Chapter 9

Question 1

True or False:
You can declare struct variables when you define a struct

Answer 1

True

Question 2

True or False:
In structs, you access a component by using the struct name together with the relative position of the component

Answer 2

False

Question 3

True or False:
To access a structure member (component), you use the struct variable name together with the member name; these names are separated by a period.

Answer 3

True

Question 4

True or False:
You can use an assignment statement to copy the contents of one struct to another struct of the same type

Answer 4

True

Question 5

True or False:
Relational operations can be used on struct variables

Answer 5

False

Question 6

True or False:
Data in a struct variable must be read one member at a time

Answer 6

True

Question 7

True or False:
A function can return a value of the type array

Answer 7

False

Question 8

True or False:
A function can return a value of the type struct

Answer 8

True

Question 9

True or False:
Aggregate input/output operations are allowed on a struct variable

Answer 9

False

Question 10

A struct is typically a _______ data structure

Answer 10

heterogeneous

Question 11

The components of a struct are called the ___________ of the struct

Answer 11

members

Question 12

Which of the following struct definitions is correct in C++

Answer 12

struct studentType
{
int ID;
};

Question 13

Consider the following struct definition:

struct rectangleData
{
double length;
double width;
double area;
double perimeter;
};
which of the following variable declarations is correct

Answer 13

rectangleData myRectangle;

Question 14

Typically, in a program, a struct is defined ________ in the program

Answer 14

before the definitions of all the functions

Question 15

An array name and index are separated using

Answer 15

square brackets

Question 16

The syntax for accessing a struct member is structVariableName_________

Answer 16

.memberName

Question 17

Consider the following statements
struct rectangleData
{
double length;
double width;
double area;
double perimeter;
};

rectangleData bigRect;
Which fo the following statements correctly initializes the component length of bigRect

Answer 17

bigRect.length = 10;

Question 18

In C++, the _______ symbol is an operator, called the member access operator

Answer 18

.(dot)

Question 19

Consider the following statements
struct rectangleData
{
double length;
double width;
double area;
double perimeter;
};

rectangleData bigRect;
Which of the following statements is valid in C++

Answer 19

cin&raquo_space; bigRect.length;

Question 20

Consider the following statements:

struct personalInfo
{
string name;
int age;
double height;
double weight;
};
struct commonInfo
{
string name;
int age;
};

personalInfo person1, person2;
commonInfo person3, person4;
Which of the following statements is valid in C++

Answer 20

person2 = person1;

Question 21

Consider the following statements:
struct studentType1
{
string name;
int ID;
double gpa;
};
studentType1 student1, student2;
struct studentType2
{
string name;
int ID;
double gpa;
};
studentType2 student3, student4;
Which of the following statements is valid in C++

Answer 21

student1.ID = student3.ID;

Question 22

You can assign the value of one struct variable to another struct variable of ________ type.

Answer 22

the same

Question 23

To compare struct variables, you compare them _______

Answer 23

member-wise

Question 24

Consider the following statements
struct rectangleData
{
double length;
double width;
double area;
double perimeter;
};

rectangleData bigRect;
rectangleData smallRect;
Which of the following statements is legal in C++

Answer 24

if (bigRect.length == smallRect.width)

Question 25

Consider the following statements:

struct circleData
{
double radius;
double area;
double circumference;
};

circleData circle;
Which of the following statements is valid in C++

Answer 25

cin&raquo_space; circle.radius;

Question 26

Consider the following statements
struct rectangleData
{
double length;
double width;
double area;
double perimeter;
};

rectangleData bigRect;
Which of the following statements is valid in C++

Answer 26

cout &laquo_space;bigRect.length;

Question 27

A struct variable can be passed as a parameter _______

Answer 27

either by value or by reference

Question 28

Which of the following aggregate operations can be executed on array variables?

Answer 28

Parameter passing by reference

Question 29

Which of the following is an allowable aggregate operation on a struct?

Answer 29

Assignment

Question 30

A list has two items associated with it:

Answer 30

the values and the length

Question 31

Consider the following function prototype:
int seqSearch(const listType& list, int searchItem);

The actual parameter cannot be modified by ______

Answer 31

list

Question 32

Consider the following statements:
struct supplierType
{
string name;
int supplierID;
};

struct applianceType
{
supplierType supplier;
string modelNo;
double cost;
};
applianceType applianceList [25];
Which of the following best describes applianceList?

Answer 32

it is an array of structs

Question 33

Consider the following statements:
struct supplierType
{
string name;
int supplierID;
};

struct applianceType
{
supplierType supplier;
string modelNo;
double cost;
};
applianceType applianceList [25];
Which of the following statements correctly initializes the cost of each appliance to 0?

Answer 33

for (int j = 0; j < 25; j++)
applianceList.cost[j] = 0;

Question 34

Consider the following statements:
struct supplierType
{
string name;
int supplierID;
};

struct paintType
{
supplierType supplier;
string color;
string paintID;
};
paintType paint;
What is the data type of paint.supplier?

Answer 34

supplierType

Question 35

A struct is a(n) ___________, not a declaration.

Answer 35

definition

Question 36

The following statement defines a struct houseType with a total of _____ member(s).

struct houseType
{
string style;
int numOfBedrooms;
int numOfBathrooms;
int numOfCarsGarage;
int yearBuilt;
};

Answer 36

5

Question 37

Memory is allocated for struct variables only when you _____ them.

Answer 37

declare

Question 38

Arrays are passed by __________ only.

Answer 38

reference

Question 39

Consider the following struct definition:
const int ARRAY_SIZE = 1000;
struct listType
{
int listElem[ARRAY_SIZE];
int listLength;
};
The statement that declares intList to be a struct variable of type listType is:

Answer 39

listType intList;

Question 40

If a variable is passed by __________, then when the formal parameter changes, the actual parameter also changes.

Answer 40

reference