Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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 3

A partially filled array is normally used with an accompanying integer variable that holds the number of items that are actually stored in the array.

Accepted Answer

A) True 
 B)False

Question 4

____________ 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

Question 5

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 6

Which one of the following statements creates a List object, named friendsList, that can be used to hold 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 7

The first step in calculating the average of all the values in a numeric array is to get the total of the values, and the second step is to divide the total by the number of elements in the array.

Accepted Answer

A) True 
 B)False

Question 8

If you want to make a copy of an array, you must create the second array in memory and then copy the individual elements of the first array to the second.

Accepted Answer

A) True 
 B)False

Question 9

You can create an array to hold any one type of value.

Accepted Answer

A) True 
 B)False

Question 10

Unlike a one-dimensional array, you cannot provide an initialization list for a two-dimensional array.

Accepted Answer

A) True 
 B)False

Question 11

When you create an array, you can optionally initialize it with a group of values called a(n) ____________.

Accepted Answer

A)  initialization list 
B)  default group 
C)  element assembly 
D)  starting run 
A)  initialization list 
B)  default group 
C)  element assembly 
D)  starting run

Question 12

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 13

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

Question 14

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 with a regular for loop.

Accepted Answer

A) True 
 B)False

Question 15

____________ is a process that periodically runs, removing all unreferenced objects from memory.

Accepted Answer

A)  System cleanup 
B)  Garbage collection 
C)  Nullification 
D)  Non-maskable Interrupt 
A)  System cleanup 
B)  Garbage collection 
C)  Nullification 
D)  Non-maskable Interrupt

Question 16

Arrays are reference type objects.

Accepted Answer

A) True 
 B)False

Question 17

The ____________ is a clever algorithm that is much more efficient that the sequential search.

Accepted Answer

A)  random search 
B)  quick sort 
C)  binary search 
D)  combinatorial search 
A)  random search 
B)  quick sort 
C)  binary search 
D)  combinatorial search

Question 18

To declare a two-dimensional array, two ____________ are required: The first one is for the number of rows, and the second one is for the number of columns.

Accepted Answer

A)  reference variables 
B)  Boolean variables 
C)  named constants 
D)  size declarators 
A)  reference variables 
B)  Boolean variables 
C)  named constants 
D)  size declarators

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

A) True 
 B)False

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

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

A partially filled array is normally used with an accompanying integer variable that holds the number of items that are actually stored in the array.

____________ arrays can only hold one set of data.

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

Which one of the following statements creates a List object, named friendsList, that can be used to hold strings?

The first step in calculating the average of all the values in a numeric array is to get the total of the values, and the second step is to divide the total by the number of elements in the array.

If you want to make a copy of an array, you must create the second array in memory and then copy the individual elements of the first array to the second.

You can create an array to hold any one type of value.

Unlike a one-dimensional array, you cannot provide an initialization list for a two-dimensional array.

When you create an array, you can optionally initialize it with a group of values called a(n) ____________.

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

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

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 with a regular for loop.

____________ is a process that periodically runs, removing all unreferenced objects from memory.

Arrays are reference type objects.

The ____________ is a clever algorithm that is much more efficient that the sequential search.

To declare a two-dimensional array, two ____________ are required: The first one is for the number of rows, and the second one is for the number of columns.

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

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

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

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

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

A partially filled array is normally used with an accompanying integer variable that holds the number of items that are actually stored in the array.

____________ arrays can only hold one set of data.

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

Which one of the following statements creates a List object, named friendsList, that can be used to hold strings?

The first step in calculating the average of all the values in a numeric array is to get the total of the values, and the second step is to divide the total by the number of elements in the array.

If you want to make a copy of an array, you must create the second array in memory and then copy the individual elements of the first array to the second.

You can create an array to hold any one type of value.

Unlike a one-dimensional array, you cannot provide an initialization list for a two-dimensional array.

When you create an array, you can optionally initialize it with a group of values called a(n) ____________.

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

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

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 with a regular for loop.

____________ is a process that periodically runs, removing all unreferenced objects from memory.

Arrays are reference type objects.

The ____________ is a clever algorithm that is much more efficient that the sequential search.

To declare a two-dimensional array, two ____________ are required: The first one is for the number of rows, and the second one is for the number of columns.

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

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

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