Question 1

A partially filled array is normally accompanied by an integer variable that indicates the number of items actually stored in the array.

Accepted Answer

A) True 
 B)False

Question 2

Which one of the following statements assigns the value 40 to the first element in an array of integers named values?

Accepted Answer

A)  values[-1] = 40; 
B)  values[0] = 40; 
C)  values[null] = 40; 
D)  values[1] = 40; 
A)  values[-1] = 40; 
B)  values[0] = 40; 
C)  values[null] = 40; 
D)  values[1] = 40;

Question 3

Memory allocated for a reference type variable is the actual location that will hold any value assigned to the variable.

Accepted Answer

A) True 
 B)False

Question 4

Because variables hold only single values, they can be cumbersome in programs that process lists of data.

Accepted Answer

A) True 
 B)False

Question 5

An array's Length property is read-only, so you cannot change its value by trying to assign a new value to Length.

Accepted Answer

A) True 
 B)False

Question 6

You access the individual elements in an array using their subscripts.

Accepted Answer

A) True 
 B)False

Question 7

If you provide an initialization list when declaring an array, you can leave out the size declarator, but you cannot leave out the new operator and its subsequent expression.

Accepted Answer

A) True 
 B)False

Question 8

When you process a(n) ____________, you must process only elements containing valid items.

Accepted Answer

A)  partially filled array 
B)  reference copy 
C)  sequential search 
D)  Boolean expression 
A)  partially filled array 
B)  reference copy 
C)  sequential search 
D)  Boolean expression

Question 9

Which one of the following statements correctly creates a List object named friendsList that holds strings?

Accepted Answer

A) string friendsList = new List; B) friendsList(string); C) List friendsList = new List; D) List friendsList = new List(); A) string friendsList = new List; B) friendsList(string); C) List friendsList = new List; D) List friendsList = new List();

Question 10

Which one of the following assignment statements associates an int array, that can hold 12 integers, with a reference variable named scores?

Accepted Answer

A)  scores = new int[12]; 
B)  int[12] = new scores; 
C)  int scores[12]; 
D)  new int scores[12] 
A)  scores = new int[12]; 
B)  int[12] = new scores; 
C)  int scores[12]; 
D)  new int scores[12]

Question 11

You can store a variety of data types in an array.

Accepted Answer

A) True 
 B)False

Question 12

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 13

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

Accepted Answer

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

Question 14

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

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];

Question 15

An array's size declarator must be a nonnegative integer value.

Accepted Answer

A) True 
 B)False

Question 16

When a(n) ____________ variable is declared, the compiler sets aside, or allocates, a chunk of memory big enough to hold the variable's data.

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 17

____________ arrays, also known as 2D arrays, can hold two 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

List objects, like arrays, are always passed to methods ____________.

Accepted Answer

A)  by value 
B)  in memory 
C)  by reference 
D)  globally 
A)  by value 
B)  in memory 
C)  by reference 
D)  globally

Question 19

A(n) ____________ is similar to a two-dimensional array, but the rows can have a different number of columns.

Accepted Answer

A)  offset array 
B)  skewed array 
C)  jagged array 
D)  differential array 
A)  offset array 
B)  skewed array 
C)  jagged array 
D)  differential array

Question 20

____________ arrays can only hold one set of data.

Accepted Answer

A)  One-dimensional 
B)  Two-dimensional 
C)  Data bound 
D)  Classical 
A)  One-dimensional 
B)  Two-dimensional 
C)  Data bound 
D)  Classical

A partially filled array is normally accompanied by an integer variable that indicates the number of items actually stored in the array.

Which one of the following statements assigns the value 40 to the first element in an array of integers named values?

Memory allocated for a reference type variable is the actual location that will hold any value assigned to the variable.

Because variables hold only single values, they can be cumbersome in programs that process lists of data.

An array's Length property is read-only, so you cannot change its value by trying to assign a new value to Length.

You access the individual elements in an array using their subscripts.

If you provide an initialization list when declaring an array, you can leave out the size declarator, but you cannot leave out the new operator and its subsequent expression.

When you process a(n) ____________, you must process only elements containing valid items.

Which one of the following statements correctly creates a List object named friendsList that holds strings?

Which one of the following assignment statements associates an int array, that can hold 12 integers, with a reference variable named scores?

You can store a variety of data types in an array.

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

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

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

An array's size declarator must be a nonnegative integer value.

When a(n) ____________ variable is declared, the compiler sets aside, or allocates, a chunk of memory big enough to hold the variable's data.

____________ arrays, also known as 2D arrays, can hold two sets of data.

List objects, like arrays, are always passed to methods ____________.

A(n) ____________ is similar to a two-dimensional array, but the rows can have a different number of columns.

____________ arrays can only hold one set of data.

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 partially filled array is normally accompanied by an integer variable that indicates the number of items actually stored in the array.

Which one of the following statements assigns the value 40 to the first element in an array of integers named values?

Memory allocated for a reference type variable is the actual location that will hold any value assigned to the variable.

Because variables hold only single values, they can be cumbersome in programs that process lists of data.

An array's Length property is read-only, so you cannot change its value by trying to assign a new value to Length.

You access the individual elements in an array using their subscripts.

If you provide an initialization list when declaring an array, you can leave out the size declarator, but you cannot leave out the new operator and its subsequent expression.

When you process a(n) ____________, you must process only elements containing valid items.

Which one of the following statements correctly creates a List object named friendsList that holds strings?

Which one of the following assignment statements associates an int array, that can hold 12 integers, with a reference variable named scores?

You can store a variety of data types in an array.

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

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

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

An array's size declarator must be a nonnegative integer value.

When a(n) ____________ variable is declared, the compiler sets aside, or allocates, a chunk of memory big enough to hold the variable's data.

____________ arrays, also known as 2D arrays, can hold two sets of data.

List objects, like arrays, are always passed to methods ____________.

A(n) ____________ is similar to a two-dimensional array, but the rows can have a different number of columns.

____________ arrays can only hold one set of data.

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