Question 1

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

Accepted Answer

A) True 
 B)False  True

Question 2

What is the output of the following C++ code? int list[5] = {0,5,10,15,20};
int j;
for (j = 0; j < 5; j++)
$\quad$cout << list[j] << " ";
cout << endl;

Accepted Answer

A)  0 1 2 3 4 
B)  0 5 10 15 
C)  0 5 10 15 20 
D)  5 10 15 20 
A)  0 1 2 3 4 
B)  0 5 10 15 
C)  0 5 10 15 20 
D)  5 10 15 20 C

Question 3

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}}; D

Question 4

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

Question 5

Which of the following correctly declares name to be a character array and stores "William" in it?

Accepted Answer

A)  char name[6] = "William"; 
B)  char name[7] = "William"; 
C)  char name[8] = "William"; 
D)  char name[8] = 'William'; 
A)  char name[6] = "William"; 
B)  char name[7] = "William"; 
C)  char name[8] = "William"; 
D)  char name[8] = 'William';

Question 6

The declaration char str[] = "Hello there"; declares str to be a string of ____________________ characters.

Accepted Answer

The answer of The declaration char str[] = "Hello there";...

Question 7

Consider the following statement: int alpha[25][10];.Which of the following statements about alpha is true?

Accepted Answer

A)  Rows of alpha are numbered 0...24 and columns are numbered 0...9. 
B)  Rows of alpha are numbered 0...24 and columns are numbered 1...10. 
C)  Rows of alpha are numbered 1...24 and columns are numbered 0...9. 
D)  Rows of alpha are numbered 1...25 and columns are numbered 1...10. 
A)  Rows of alpha are numbered 0...24 and columns are numbered 0...9. 
B)  Rows of alpha are numbered 0...24 and columns are numbered 1...10. 
C)  Rows of alpha are numbered 1...24 and columns are numbered 0...9. 
D)  Rows of alpha are numbered 1...25 and columns are numbered 1...10.

Question 8

Consider the following statement: double alpha[10][5];.The number of components of alpha is ____.

Accepted Answer

A)  15 
B)  50 
C)  100 
D)  150 
A)  15 
B)  50 
C)  100 
D)  150

Question 9

Assume you have the following declaration double salesData[1000];.Which of the following ranges is valid for the index of the array salesData?

Accepted Answer

A)  0 through 999 
B)  0 through 1000 
C)  1 through 1001 
D)  1 through 1000 
A)  0 through 999 
B)  0 through 1000 
C)  1 through 1001 
D)  1 through 1000

Question 10

The statement int list[25]; declares list to be an array of 26 components,since the array index starts at 0.

Accepted Answer

A) True 
 B)False

Question 11

The statement strlen("Marylin Stewart"); returns ____________________.

Accepted Answer

The answer of The statement strlen("Marylin Stewart"); returns ____________________....

Question 12

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 13

Consider the statement int list[10][8];.Which of the following about list is true?

Accepted Answer

A)  list has 10 rows and 8 columns. 
B)  list has 8 rows and 10 columns. 
C)  list has a total of 18 components. 
D)  list has a total of 108 components. 
A)  list has 10 rows and 8 columns. 
B)  list has 8 rows and 10 columns. 
C)  list has a total of 18 components. 
D)  list has a total of 108 components.

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

If an array index goes out of bounds,the program always terminates in an error.

Accepted Answer

A) True 
 B)False

Question 16

What is the output of the following C++ code? int list[5] = {0,5,10,15,20};
Int j;
For (j = 1; j <= 5; j++)
$\quad$Cout << list[j] << " ";
Cout << endl;

Accepted Answer

A)  0 5 10 15 20 
B)  5 10 15 20 0 
C)  5 10 15 20 20 
D)  Code results in index out-of-bounds 
A)  0 5 10 15 20 
B)  5 10 15 20 0 
C)  5 10 15 20 20 
D)  Code results in index out-of-bounds

Question 17

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 18

What is the value of alpha[2] after the following code executes? int alpha[5];
int j;
for (j = 0; j < 5; j++)
$\quad$alpha[j] = 2 * j + 1;

Accepted Answer

A)  1 
B)  4 
C)  5 
D)  6 
A)  1 
B)  4 
C)  5 
D)  6

Question 19

For a list of length n,the ____________________ sort makes exactly (n(n - 1))/2 key comparisons and 3(n-1)item assignments.

Accepted Answer

The answer of For a list of length n,the ____________________...

Question 20

A data type is called ____________________ if variables of that type can store only one value at a time.

Accepted Answer

The answer of A data type is called ____________________ if...

Exam 8: Arrays and Strings

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

What is the output of the following C++ code? int list[5] = {0,5,10,15,20}; int j; for (j = 0; j < 5; j++) \quad cout << list[j] << " "; cout << endl;

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

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

Which of the following correctly declares name to be a character array and stores "William" in it?

The declaration char str[] = "Hello there"; declares str to be a string of ____________________ characters.

Consider the following statement: int alpha[25][10];.Which of the following statements about alpha is true?

Consider the following statement: double alpha[10][5];.The number of components of alpha is ____.

Assume you have the following declaration double salesData[1000];.Which of the following ranges is valid for the index of the array salesData?

The statement int list[25]; declares list to be an array of 26 components,since the array index starts at 0.

The statement strlen("Marylin Stewart"); returns ____________________.

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

Consider the statement int list[10][8];.Which of the following about list is true?

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

If an array index goes out of bounds,the program always terminates in an error.

What is the output of the following C++ code? int list[5] = {0,5,10,15,20}; Int j; For (j = 1; j <= 5; j++) \quad Cout << list[j] << " "; Cout << endl;

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

What is the value of alpha[2] after the following code executes? int alpha[5]; int j; for (j = 0; j < 5; j++) \quad alpha[j] = 2 * j + 1;

For a list of length n,the ____________________ sort makes exactly (n(n - 1))/2 key comparisons and 3(n-1)item assignments.

A data type is called ____________________ if variables of that type can store only one value at a time.

An Overview of Computers and Programming Languages

Basic Elements of C++

Input/Output

Control Structures I (Selection)

Control Structures II (Repetition)

User-Defined Functions

User-Defined Simple Data Types, Namespaces, and the string Type

Records (structs)

Classes and Data Abstraction

Inheritance and Composition

Pointers, Classes, Virtual Functions, Abstract Classes, and Lists

Overloading and Templates

Exception Handling

Recursion

Linked Lists

Stacks and Queues

Searching and Sorting Algorithms

Binary Trees

Graphs

Standard Template Library (STL)

Filters

What is the output of the following C++ code? int list[5] = {0,5,10,15,20}; int j; for (j = 0; j < 5; j++) $\quad$ cout << list[j] << " "; cout << endl;

What is the output of the following C++ code? int list[5] = {0,5,10,15,20}; Int j; For (j = 1; j <= 5; j++) $\quad$ Cout << list[j] << " "; Cout << endl;

What is the value of alpha[2] after the following code executes? int alpha[5]; int j; for (j = 0; j < 5; j++) $\quad$ alpha[j] = 2 * j + 1;