Question 1

When only a reference to an object is copied rather than the object's contents, the copy is called a(n) ____________.

Accepted Answer

A)  shallow copy 
B)  memory copy 
C)  value copy 
D)  reference copy 
A)  shallow copy 
B)  memory copy 
C)  value copy 
D)  reference copy

Question 2

To successfully ____________ the contents of two variables, we need a third variable that can serve as a temporary storage location.

Accepted Answer

A)  copy 
B)  exchange 
C)  reference 
D)  remove 
A)  copy 
B)  exchange 
C)  reference 
D)  remove

Question 3

The ref keyword creates an object in memory and returns a reference to the object it creates.

Accepted Answer

A) True 
 B)False

Question 4

When reading the contents of a file into an array, your loop should always iterate until the array is full.

Accepted Answer

A) True 
 B)False

Question 5

Traditional two-dimensional arrays, where each row has the same number of columns, are sometime referred to as ____________.

Accepted Answer

A)  square arrays 
B)  rectangular arrays 
C)  box arrays 
D)  2D arrays 
A)  square arrays 
B)  rectangular arrays 
C)  box arrays 
D)  2D arrays

Question 6

A variable that is used to reference an object is commonly called a(n) ____________.

Accepted Answer

A)  reference variable 
B)  object variable 
C)  class variable 
D)  Boolean variable 
A)  reference variable 
B)  object variable 
C)  class variable 
D)  Boolean variable

Question 7

To write the contents of an array to a file, open the file and use a loop to step through each array element, writing it to the file. Then close the file.

Accepted Answer

A) True 
 B)False

Question 8

Data types in C# − and the underlying .NET Framework − fall into two categories: value types and reference types.

Accepted Answer

A) True 
 B)False

Question 9

A search algorithm is a technique for scanning through an array and rearranging its contents in some specific order.

Accepted Answer

A) True 
 B)False

Question 10

The first element in an array is assigned subscript 1, the second element is assigned subscript 2, and so on.

Accepted Answer

A) True 
 B)False

Question 11

A(n) ____________ is a special value that links a variable to an object.

Accepted Answer

A)  linker 
B)  reference 
C)  operator 
D)  delimiter 
A)  linker 
B)  reference 
C)  operator 
D)  delimiter

Question 12

Each element in an array is identified by a unique number known as a(n) ____________.

Accepted Answer

A)  subscript 
B)  identifier 
C)  delimiter 
D)  vector 
A)  subscript 
B)  identifier 
C)  delimiter 
D)  vector

Question 13

Look at the following code sample: int[] numbers = { 1, 2, 3, 4, 5 };
Int highest = numbers[0];
For (int index = 1; index  highest)
{
Highest = numbers[index];
}
}
What value will the highest variable contain when the loop finishes?

Accepted Answer

A)  1 
B)  3 
C)  5 
D)  15 
A)  1 
B)  3 
C)  5 
D)  15

Question 14

A(n) ____________ occurs when a loop iterates one time too many or one time too few.

Accepted Answer

A)  off-by-one error 
B)  buffer overrun 
C)  system crash 
D)  logic error 
A)  off-by-one error 
B)  buffer overrun 
C)  system crash 
D)  logic error

Question 15

An array's____________ indicates the number of values that the array should be able to hold.

Accepted Answer

A)  reference variable 
B)  size declarator 
C)  element 
D)  subscript 
A)  reference variable 
B)  size declarator 
C)  element 
D)  subscript

Question 16

The default value of a string array's elements is null.

Accepted Answer

A) True 
 B)False

Question 17

Reference variables can only reference objects.

Accepted Answer

A) True 
 B)False

Question 18

Because the foreach loop automatically knows the number of elements in an array, you do not have to use a counter variable to control its iterations, as you would with a regular for loop.

Accepted Answer

A) True 
 B)False

Question 19

To add items to an existing List object, use the ____________.

Accepted Answer

A)  += operator 
B)  & operator 
C)  Insert property 
D)  Add method 
A)  += operator 
B)  & operator 
C)  Insert property 
D)  Add method

Question 20

Of the following statements, which one correctly initializes an int array named quarters with the values 1, 2, 3, and 4?

Accepted Answer

A)  const int SIZE = 4; int[] quarters = new int[SIZE] { 1, 2, 3, 4 }; 
B)  int[] quarters = new int[] { 1, 2, 3, 4 }; 
C)  int[] quarters = { 1, 2, 3, 4 }; 
D)  All of these statements are correct. 
A)  const int SIZE = 4; int[] quarters = new int[SIZE] { 1, 2, 3, 4 }; 
B)  int[] quarters = new int[] { 1, 2, 3, 4 }; 
C)  int[] quarters = { 1, 2, 3, 4 }; 
D)  All of these statements are correct.

When only a reference to an object is copied rather than the object's contents, the copy is called a(n) ____________.

To successfully ____________ the contents of two variables, we need a third variable that can serve as a temporary storage location.

The ref keyword creates an object in memory and returns a reference to the object it creates.

When reading the contents of a file into an array, your loop should always iterate until the array is full.

Traditional two-dimensional arrays, where each row has the same number of columns, are sometime referred to as ____________.

A variable that is used to reference an object is commonly called a(n) ____________.

To write the contents of an array to a file, open the file and use a loop to step through each array element, writing it to the file. Then close the file.

Data types in C# − and the underlying .NET Framework − fall into two categories: value types and reference types.

A search algorithm is a technique for scanning through an array and rearranging its contents in some specific order.

The first element in an array is assigned subscript 1, the second element is assigned subscript 2, and so on.

A(n) ____________ is a special value that links a variable to an object.

Each element in an array is identified by a unique number known as a(n) ____________.

Look at the following code sample: int[] numbers = { 1, 2, 3, 4, 5 }; Int highest = numbers[0]; For (int index = 1; index < numbers.Length; index++) { If (numbers[index] > highest) { Highest = numbers[index]; } } What value will the highest variable contain when the loop finishes?

A(n) ____________ occurs when a loop iterates one time too many or one time too few.

An array's____________ indicates the number of values that the array should be able to hold.

The default value of a string array's elements is null.

Reference variables can only reference objects.

Because the foreach loop automatically knows the number of elements in an array, you do not have to use a counter variable to control its iterations, as you would with a regular for loop.

To add items to an existing List object, use the ____________.

Of the following statements, which one correctly initializes an int array named quarters with the values 1, 2, 3, and 4?

Introduction to Computers and Programming

Introduction to Visual C#

Processing Data

Making Decisions

Loops, Files, and Random Numbers

Modularizing Your Code with Methods

More About Processing Data

Classes and Multiform Projects

Inheritance and Polymorphism

Databases

Filters

Exam 7: Arrays and Lists

When only a reference to an object is copied rather than the object's contents, the copy is called a(n) ____________.

To successfully ____________ the contents of two variables, we need a third variable that can serve as a temporary storage location.

The ref keyword creates an object in memory and returns a reference to the object it creates.

When reading the contents of a file into an array, your loop should always iterate until the array is full.

Traditional two-dimensional arrays, where each row has the same number of columns, are sometime referred to as ____________.

A variable that is used to reference an object is commonly called a(n) ____________.

To write the contents of an array to a file, open the file and use a loop to step through each array element, writing it to the file. Then close the file.

Data types in C# − and the underlying .NET Framework − fall into two categories: value types and reference types.

A search algorithm is a technique for scanning through an array and rearranging its contents in some specific order.

The first element in an array is assigned subscript 1, the second element is assigned subscript 2, and so on.

A(n) ____________ is a special value that links a variable to an object.

Each element in an array is identified by a unique number known as a(n) ____________.

Look at the following code sample: int[] numbers = { 1, 2, 3, 4, 5 }; Int highest = numbers[0]; For (int index = 1; index < numbers.Length; index++) { If (numbers[index] > highest) { Highest = numbers[index]; } } What value will the highest variable contain when the loop finishes?

A(n) ____________ occurs when a loop iterates one time too many or one time too few.

An array's____________ indicates the number of values that the array should be able to hold.

The default value of a string array's elements is null.

Reference variables can only reference objects.

Because the foreach loop automatically knows the number of elements in an array, you do not have to use a counter variable to control its iterations, as you would with a regular for loop.

To add items to an existing List object, use the ____________.

Of the following statements, which one correctly initializes an int array named quarters with the values 1, 2, 3, and 4?

Introduction to Computers and Programming

Introduction to Visual C#

Processing Data

Making Decisions

Loops, Files, and Random Numbers

Modularizing Your Code with Methods

More About Processing Data

Classes and Multiform Projects

Inheritance and Polymorphism

Databases

Filters