Question 1

A(n) ____________ is an object that can hold a group of values that are all the same data type.

Accepted Answer

A)  matrix 
B)  list 
C)  array 
D)  container 
A)  matrix 
B)  list 
C)  array 
D)  container C

Question 2

The storage locations in an array are known as ____________.

Accepted Answer

A)  values 
B)  sectors 
C)  compartments 
D)  elements 
A)  values 
B)  sectors 
C)  compartments 
D)  elements D

Question 3

Which one of the following statements declares a reference variable named values that can be used to reference an int array?

Accepted Answer

A)  int values[]; 
B)  values[int]; 
C)  int[] values; 
D)  int [values]; 
A)  int values[]; 
B)  values[int]; 
C)  int[] values; 
D)  int [values]; C

Question 4

When you call a method and pass an array as an argument, you simply pass the____________ that references the array.

Accepted Answer

A)  data 
B)  method 
C)  variable 
D)  class 
A)  data 
B)  method 
C)  variable 
D)  class

Question 5

The ____________ uses a loop to sequentially step through an array, starting with the first element.

Accepted Answer

A)  sequential search algorithm 
B)  top-down algorithm 
C)  simple search algorithm 
D)  basic array traversal algorithm 
A)  sequential search algorithm 
B)  top-down algorithm 
C)  simple search algorithm 
D)  basic array traversal algorithm

Question 6

When working with an array, it is important that you do not use a(n)____________.

Accepted Answer

A)  invalid subscript 
B)  null value 
C)  assignment statement 
D)  initialization list 
A)  invalid subscript 
B)  null value 
C)  assignment statement 
D)  initialization list

Question 7

A(n) ____________ is similar to an array but offers many advantages over an array.

Accepted Answer

A)  List object 
B)  Collection 
C)  Random object 
D)  jagged array 
A)  List object 
B)  Collection 
C)  Random object 
D)  jagged array

Question 8

The .NET Framework provides a class named Container, which can be used for storing and retrieving items.

Accepted Answer

A) True 
 B)False

Question 9

Look at the following code sample:
 
What is the value stored in values[2, 2]?

Accepted Answer

A)  2 
B)  3 
C)  6 
D)  7 
A)  2 
B)  3 
C)  6 
D)  7

Question 10

An array and the variable that references it are the same entity.

Accepted Answer

A) True 
 B)False

Question 11

You can use the ____________ to remove an item at a specific index in a List.

Accepted Answer

A)  Delete method 
B)  RemoveAt method 
C)  null keyword 
D)  Erase property 
A)  Delete method 
B)  RemoveAt method 
C)  null keyword 
D)  Erase property

Question 12

When you are working with a(n) ____________ variable, the compiler sets aside, or allocates, a chunk of memory that is big enough for that variable.

Accepted Answer

A)  reference type 
B)  uninitialized 
C)  value type 
D)  dynamic type 
A)  reference type 
B)  uninitialized 
C)  value type 
D)  dynamic type

Question 13

The ____________ creates an object in memory and returns a reference to that object.

Accepted Answer

A)  .NET Framework 
B)  new operator 
C)  = operator 
D)  % operator 
A)  .NET Framework 
B)  new operator 
C)  = operator 
D)  % operator

Question 14

When working with an array, you cannot use a subscript that is less than 0 or greater than the size of the array minus 1.

Accepted Answer

A) True 
 B)False

Question 15

To access an item that is stored in a particular row and column in a jagged array, you enclose the row and column subscripts in their own sets of brackets..

Accepted Answer

A) True 
 B)False

Question 16

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.

Question 17

____________ arrays, which are also called 2D arrays, can hold multiple sets of data.

Accepted Answer

A)  Double-data 
B)  Two-dimensional 
C)  Row-column 
D)  Duel-derivative 
A)  Double-data 
B)  Two-dimensional 
C)  Row-column 
D)  Duel-derivative

Question 18

To access one of the elements in a two-dimensional array, you must use two subscripts.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

What special value are the elements of an array of reference type objects set to by default?

Accepted Answer

A)  0 
B)  void 
C)  -1 
D)  null 
A)  0 
B)  void 
C)  -1 
D)  null

A(n) ____________ is an object that can hold a group of values that are all the same data type.

The storage locations in an array are known as ____________.

Which one of the following statements declares a reference variable named values that can be used to reference an int array?

When you call a method and pass an array as an argument, you simply pass the____________ that references the array.

The ____________ uses a loop to sequentially step through an array, starting with the first element.

When working with an array, it is important that you do not use a(n)____________.

A(n) ____________ is similar to an array but offers many advantages over an array.

The .NET Framework provides a class named Container, which can be used for storing and retrieving items.

Look at the following code sample: What is the value stored in values[2, 2]?

An array and the variable that references it are the same entity.

You can use the ____________ to remove an item at a specific index in a List.

When you are working with a(n) ____________ variable, the compiler sets aside, or allocates, a chunk of memory that is big enough for that variable.

The ____________ creates an object in memory and returns a reference to that object.

When working with an array, you cannot use a subscript that is less than 0 or greater than the size of the array minus 1.

To access an item that is stored in a particular row and column in a jagged array, you enclose the row and column subscripts in their own sets of brackets..

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

____________ arrays, which are also called 2D arrays, can hold multiple sets of data.

To access one of the elements in a two-dimensional array, you must use two subscripts.

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

What special value are the elements of an array of reference type objects set to by default?

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

A(n) ____________ is an object that can hold a group of values that are all the same data type.

The storage locations in an array are known as ____________.

Which one of the following statements declares a reference variable named values that can be used to reference an int array?

When you call a method and pass an array as an argument, you simply pass the____________ that references the array.

The ____________ uses a loop to sequentially step through an array, starting with the first element.

When working with an array, it is important that you do not use a(n)____________.

A(n) ____________ is similar to an array but offers many advantages over an array.

The .NET Framework provides a class named Container, which can be used for storing and retrieving items.

Look at the following code sample: What is the value stored in values[2, 2]?

An array and the variable that references it are the same entity.

You can use the ____________ to remove an item at a specific index in a List.

When you are working with a(n) ____________ variable, the compiler sets aside, or allocates, a chunk of memory that is big enough for that variable.

The ____________ creates an object in memory and returns a reference to that object.

When working with an array, you cannot use a subscript that is less than 0 or greater than the size of the array minus 1.

To access an item that is stored in a particular row and column in a jagged array, you enclose the row and column subscripts in their own sets of brackets..

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

____________ arrays, which are also called 2D arrays, can hold multiple sets of data.

To access one of the elements in a two-dimensional array, you must use two subscripts.

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

What special value are the elements of an array of reference type objects set to by default?

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