Quiz 4 - Structured Data

True/False: An anonymous union declaration actually creates the member variables in memory.

True

True/False: Any mathematical operations that can be performed on regular C++ variables can be performed on structure members.

True

True/False: If a function is legally prototyped to return an integer value, it can return a structure member that is an integer data type.

True

A declaration for an enumerated type begins with the ________ key word.

enum

Look at the following declaration. enum Tree { OAK, MAPLE, PINE }; What is the value of the following relational expression?

false

This is required after the closing brace of the structure declaration.

semicolon

Look at the following structure declaration. struct Circle { double centerX; double centerY; double center radius; }; Assume that circle1 and circle2 are variables of the Circle type, and their members have been initialized.True/False: The following if statement correctly determines whether the two variables' members contain the same data: if (circle1 = circle2)

False

True/False: It is possible to output the contents of all members of a structure variable using a cout << statement followed by the name of the structure variable.

False

True/False: The names of the enumerators in an enumerated data type must be enclosed in quotation marks.

False

True/False: In C++ 11, if you want to retrieve a strongly typed enumerator's underlying integer value, you must use a cast operator.

True

True/False: It is possible for a structure to contain as a member a pointer to its own structure type.

True

True/False: The structure pointer operator is used to dereference a pointer to a structure, not a pointer that is a member of a structure.

True

True/False: You cannot directly assign an integer value to an enum variable.

True

Look at the following structure declaration. struct Employee { string name; int idNum; }; In this declaration, Employee is:

a tag

Data types that are created by the programmer are known as ________.

abstract data types (ADT)

When a structure is passed ________ to a function, its members are not copied.

by reference

If an anonymous union is declared globally (outside all functions), it must be ________.

declared static

If Circle is a structure, the statement: Circle *pcirc = nullptr;

declares a structure pointer called pcirc initialized with a null pointer

With an enumerated data type, the enumerators are stored in memory as ________.

integers

A function ________ return a structure.

may

In C++ 11 you can use a new type of enum, known as a(n) ________, (also known as an enum class) to have multiple enumerators with the same name, within the same scope.

strongly typed enum

A structure pointer contains ________.

the address of a structure variable

A good reason to pass a structure as a constant reference is ________.

to prevent changes to the structure members

This is like a structure, except all members occupy the same memory area.

union

Look at the following statement. bookList[2].publisher[3] = 't'; This statement ________.

will store the character 't' in the fourth element of the publisher member of booklist[2]