Question 1

Suppose that gamma is an array of 50 components of type int and j is an int variable. Which of the following for loops sets the index of gamma out of bounds?

Accepted Answer

A)  for (j = 0; j <= 49; j++)
Cout << gamma[j] << " "; 
B)  for (j = 1; j < 50; j++)
Cout << gamma[j] << " "; 
C)  for (j = 0; j <= 50; j++)
Cout << gamma[j] << " "; 
D)  for (j = 0; j <= 48; j++)
Cout << gamma[j] << " "; 
A)  for (j = 0; j <= 49; j++)
Cout << gamma[j] << " "; 
B)  for (j = 1; j < 50; j++)
Cout << gamma[j] << " "; 
C)  for (j = 0; j <= 50; j++)
Cout << gamma[j] << " "; 
D)  for (j = 0; j <= 48; j++)
Cout << gamma[j] << " ";

Question 2

All components of an array are of the same data type.

Accepted Answer

A) True 
 B)False

Question 3

Suppose that sales is an array of 50 components of type double. Which of the following correctly initializes the array sales?

Accepted Answer

A)  for (int 1 = 1; j <= 49; j++)
Sales[j] = 0; 
B)  for (int j = 1; j <= 50; j++)
Sales[j] = 0; 
C)  for (int j = 0; j <= 49; j++)
Sales[j] = 0.0; 
D)  for (int j = 0; j <= 50; j++)
Sales[j] = 0.0; 
A)  for (int 1 = 1; j <= 49; j++)
Sales[j] = 0; 
B)  for (int j = 1; j <= 50; j++)
Sales[j] = 0; 
C)  for (int j = 0; j <= 49; j++)
Sales[j] = 0.0; 
D)  for (int j = 0; j <= 50; j++)
Sales[j] = 0.0;

Question 4

Assume you have the following declaration int beta[50];. Which of the following is a valid element of beta?

Accepted Answer

A)  beta['2'] 
B)  beta['50'] 
C)  beta[0] 
D)  beta[50] 
A)  beta['2'] 
B)  beta['50'] 
C)  beta[0] 
D)  beta[50]

Question 5

Consider the following declaration: char charArray[51];
Char discard;
Assume that the input is:
Hello There!
How are you?
What is the value of discard after the following statements execute?
Cin)get(charArray, 51);
Cin)get(discard);

Accepted Answer

A)  discard = ' ' (Space) 
B)  discard = '!' 
C)  discard = '
' 
D)  discard = '\0' 
A)  discard = ' ' (Space) 
B)  discard = '!' 
C)  discard = '
' 
D)  discard = '\0'

Question 6

In a two-dimensional array, the elements are arranged in a table form.

Accepted Answer

A) True 
 B)False

Question 7

Assume you have the following declaration char nameList[100];. Which of the following ranges is valid for the index of the array nameList?

Accepted Answer

A)  0 through 99 
B)  0 through 100 
C)  1 through 100 
D)  1 through 101 
A)  0 through 99 
B)  0 through 100 
C)  1 through 100 
D)  1 through 101

Question 8

Which of the following statements declares alpha to be an array of 25 components of the type int?

Accepted Answer

A)  int alpha[25]; 
B)  int array alpha[25]; 
C)  int alpha[2][5]; 
D)  int array alpha[25][25]; 
A)  int alpha[25]; 
B)  int array alpha[25]; 
C)  int alpha[2][5]; 
D)  int array alpha[25][25];

Question 9

Consider the following declaration: char str[15];. Which of the following statements stores "Blue Sky" into str?

Accepted Answer

A)  str = "Blue Sky"; 
B)  str[15] = "Blue Sky"; 
C)  strcpy(str, "Blue Sky"); 
D)  strcpy("Blue Sky"); 
A)  str = "Blue Sky"; 
B)  str[15] = "Blue Sky"; 
C)  strcpy(str, "Blue Sky"); 
D)  strcpy("Blue Sky");

Question 10

The array index can be any integer less than the array size.

Accepted Answer

A) True 
 B)False

Question 11

Given the declaration int list[20]; the statement list[12] = list[5] + list[7]; updates the content of the twelfth component of the array list.

Accepted Answer

A) True 
 B)False

Question 12

Suppose that list is an array of 10 components of type int. Which of the following codes correctly outputs all the elements of list?

Accepted Answer

A)  for (int j = 1; j < 10; j++)
Cout << list[j] << " ";
Cout << endl; 
B)  for (int j = 0; j <= 9; j++)
Cout << list[j] << " ";
Cout << endl; 
C)  for (int j = 1; j < 11; j++)
Cout << list[j] << " ";
Cout << endl; 
D)  for (int j = 1; j <= 10; j++)
Cout << list[j] << " ";
Cout << endl; 
A)  for (int j = 1; j < 10; j++)
Cout << list[j] << " ";
Cout << endl; 
B)  for (int j = 0; j <= 9; j++)
Cout << list[j] << " ";
Cout << endl; 
C)  for (int j = 1; j < 11; j++)
Cout << list[j] << " ";
Cout << endl; 
D)  for (int j = 1; j <= 10; j++)
Cout << list[j] << " ";
Cout << endl;

Question 13

In C++, the null character is represented as ____.

Accepted Answer

A)  '\0' 
B)  "\0" 
C)  '0' 
D)  "0" 
A)  '\0' 
B)  "\0" 
C)  '0' 
D)  "0"

Question 14

Which of the following correctly declares and initializes alpha to be an array of four rows and three columns with the component type int?

Accepted Answer

A)  int alpha[4][3] = {{0,1,2} {1,2,3} {2,3,4} {3,4,5}}; 
B)  int alpha[4][3] = {0,1,2; 1,2,3; 2,3,4; 3,4,5}; 
C)  int alpha[4][3] = {0,1,2: 1,2,3: 2,3,4: 3,4,5}; 
D)  int alpha[4][3] = {{0,1,2}, {1,2,3}, {2,3,4}, {3,4,5}}; 
A)  int alpha[4][3] = {{0,1,2} {1,2,3} {2,3,4} {3,4,5}}; 
B)  int alpha[4][3] = {0,1,2; 1,2,3; 2,3,4; 3,4,5}; 
C)  int alpha[4][3] = {0,1,2: 1,2,3: 2,3,4: 3,4,5}; 
D)  int alpha[4][3] = {{0,1,2}, {1,2,3}, {2,3,4}, {3,4,5}};

Question 15

In row order form, the ____.

Accepted Answer

A)  first row is stored first 
B)  first row is stored last 
C)  first column is stored first 
D)  first column is stored last 
A)  first row is stored first 
B)  first row is stored last 
C)  first column is stored first 
D)  first column is stored last

Question 16

What is the output of the following C++ code?

Accepted Answer

A)  2 4 6 8 10 
B)  4 3 2 1 0 
C)  8 6 4 2 0 
D)  10 8 6 4 2 
A)  2 4 6 8 10 
B)  4 3 2 1 0 
C)  8 6 4 2 0 
D)  10 8 6 4 2

Question 17

The word ____________________ is used before the array declaration in a function heading to prevent the function from modifying the array.

Accepted Answer

The answer of The word ____________________ is used before the...

Question 18

The form of the for loop shown below is called a(n) ____________________ for loop.
for (dataType identifier : arrayName)
statements
​

Accepted Answer

range-base

Question 19

Given the following declaration:   which of the following correctly finds the sum of the elements of the fourth column of sale?

Accepted Answer

A)  sum = 0;
For(j = 0; j < 7; j++)
Sum = sum + sale[j][3]; 
B)  sum = 0;
For(j = 0; j < 7; j++)
Sum = sum + sale[j][4]; 
C)  sum = 0;
For(j = 0; j < 10; j++)
Sum = sum + sale[j][4]; 
D)  sum = 0;
For(j = 0; j < 10; j++)
Sum = sum + sale[j][3]; 
A)  sum = 0;
For(j = 0; j < 7; j++)
Sum = sum + sale[j][3]; 
B)  sum = 0;
For(j = 0; j < 7; j++)
Sum = sum + sale[j][4]; 
C)  sum = 0;
For(j = 0; j < 10; j++)
Sum = sum + sale[j][4]; 
D)  sum = 0;
For(j = 0; j < 10; j++)
Sum = sum + sale[j][3];

Question 20

The one place where C++ allows aggregate operations on arrays is the input and output of C-strings.

Accepted Answer

A) True 
 B)False

Suppose that gamma is an array of 50 components of type int and j is an int variable. Which of the following for loops sets the index of gamma out of bounds?

All components of an array are of the same data type.

Suppose that sales is an array of 50 components of type double. Which of the following correctly initializes the array sales?

Assume you have the following declaration int beta[50];. Which of the following is a valid element of beta?

Consider the following declaration: char charArray[51]; Char discard; Assume that the input is: Hello There! How are you? What is the value of discard after the following statements execute? Cin)get(charArray, 51); Cin)get(discard);

In a two-dimensional array, the elements are arranged in a table form.

Assume you have the following declaration char nameList[100];. Which of the following ranges is valid for the index of the array nameList?

Which of the following statements declares alpha to be an array of 25 components of the type int?

Consider the following declaration: char str[15];. Which of the following statements stores "Blue Sky" into str?

The array index can be any integer less than the array size.

Given the declaration int list[20]; the statement list[12] = list[5] + list[7]; updates the content of the twelfth component of the array list.

Suppose that list is an array of 10 components of type int. Which of the following codes correctly outputs all the elements of list?

In C++, the null character is represented as ____.

Which of the following correctly declares and initializes alpha to be an array of four rows and three columns with the component type int?

In row order form, the ____.

What is the output of the following C++ code?

The word ____________________ is used before the array declaration in a function heading to prevent the function from modifying the array.

The form of the for loop shown below is called a(n) ____________________ for loop. for (dataType identifier : arrayName) statements

Given the following declaration: which of the following correctly finds the sum of the elements of the fourth column of sale?

The one place where C++ allows aggregate operations on arrays is the input and output of C-strings.

An Overview of Computers and Programming Languages

Basic Elements of C++

Inputoutput

Control Structures I Selection

Control Structures II Repetition

User-Defined Function

Namespaces, the Class String, and User-Defined Simple Data Types

Records Structs

Classes and Data Abstraction

Inheritance and Composition

Pointers, Classes, Virtual Functions, and Abstract Classes

Overloading and Templates

Exception Handling

Recursion

Searching and Sorting

Linked Lists

Stacks and Queues

Filters

Exam 8: Arrays

Suppose that gamma is an array of 50 components of type int and j is an int variable. Which of the following for loops sets the index of gamma out of bounds?

All components of an array are of the same data type.

Suppose that sales is an array of 50 components of type double. Which of the following correctly initializes the array sales?

Assume you have the following declaration int beta[50];. Which of the following is a valid element of beta?

Consider the following declaration: char charArray[51]; Char discard; Assume that the input is: Hello There! How are you? What is the value of discard after the following statements execute? Cin)get(charArray, 51); Cin)get(discard);

In a two-dimensional array, the elements are arranged in a table form.

Assume you have the following declaration char nameList[100];. Which of the following ranges is valid for the index of the array nameList?

Which of the following statements declares alpha to be an array of 25 components of the type int?

Consider the following declaration: char str[15];. Which of the following statements stores "Blue Sky" into str?

The array index can be any integer less than the array size.

Given the declaration int list[20]; the statement list[12] = list[5] + list[7]; updates the content of the twelfth component of the array list.

Suppose that list is an array of 10 components of type int. Which of the following codes correctly outputs all the elements of list?

In C++, the null character is represented as ____.

Which of the following correctly declares and initializes alpha to be an array of four rows and three columns with the component type int?

In row order form, the ____.

What is the output of the following C++ code?

The word ____________________ is used before the array declaration in a function heading to prevent the function from modifying the array.

The form of the for loop shown below is called a(n) ____________________ for loop. for (dataType identifier : arrayName) statements ​

Given the following declaration: which of the following correctly finds the sum of the elements of the fourth column of sale?

The one place where C++ allows aggregate operations on arrays is the input and output of C-strings.

An Overview of Computers and Programming Languages

Basic Elements of C++

Inputoutput

Control Structures I Selection

Control Structures II Repetition

User-Defined Function

Namespaces, the Class String, and User-Defined Simple Data Types

Records Structs

Classes and Data Abstraction

Inheritance and Composition

Pointers, Classes, Virtual Functions, and Abstract Classes

Overloading and Templates

Exception Handling

Recursion

Searching and Sorting

Linked Lists

Stacks and Queues

Filters

The form of the for loop shown below is called a(n) ____________________ for loop. for (dataType identifier : arrayName) statements