Question

What is the purpose of the new operator?

Select one:

a. It is used to allocate memory for variables at runtime.

b. It is used to declare a new function.

c. It is used to initialize class member variables.

d. It is used to start a new program.

e. It allows new operators to be created.

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Under what circumstances can you successfully return a pointer from a function?

Select one:

a. When the variable pointed to IS local to the function.

b. When the variable pointed to is defined in the function.

c. When the variable pointed to is NOTlocal to the function.

d. When the variable pointed to is a pointer.

e. When the variable pointed to has been initialized.

Question 3

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Creating a variable while a program is running is called:

Select one:

a. Run-time variable creation

b. Dynamic memory allocation

c. Dynamic variable allocation

d. Run-time memory allocation

e. Run-time variable definition

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When a program is done with a chunk of dynamically allocated memory, it should free it with the Answer operator.

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When deleting memory that was allocated for an array, you should use the ____________ operator.

Select one:

a. new

b. delete

c. delete []

d. new []

e. remove []

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The members of a struct must be all of the same type.

Select one:

True

False

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A struct can be used to return multiple values from a function using a single return statement.

Select one:

True

False

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To dynamically allocate memory for an array named numbers that would hold size integers, you would code it as:

Select one:

a. int numbers[size];

b. int * numbers = new int(size);

c. new int numbers(size);

d. int * numbers = new int[size];

e. new int numbers[size];

Answer 1

Question 1
a. It is used to allocate memory for variables at runtime.

Question 2
c. When the variable pointed to is NOT local to the function.

Question 3
c. Dynamic variable allocation

Question 4
delete

Question 5
c. delete []

Question 6
False

Question 7
True

Question 8
d. int * numbers = new int[size];