Question 1

The following two statements will assign the same value to result.

Accepted Answer

A) True 
 B)False  True

Question 2

When an arithmetic expression contains two or more different operators, such as * and +, the order in which the operations is done is determined by

Accepted Answer

A) the compiler. 
B) the programmer. 
C) operator associativity. 
D) left to right order. 
E) operator precedence. 
A) the compiler. 
B) the programmer. 
C) operator associativity. 
D) left to right order. 
E) operator precedence. E

Question 3

Operator associativity is either left to right or

Accepted Answer

A) front to back. 
B) right to left. 
C) top to bottom. 
D) inside to outside. 
E) nothing else; it is always left to right. 
A) front to back. 
B) right to left. 
C) top to bottom. 
D) inside to outside. 
E) nothing else; it is always left to right. B

Question 4

causes a program to wait until information is typed at the keyboard and the Enter key is pressed.

Accepted Answer

A) The cin object 
B) A preprocessor 
C) An input device 
D) The cout object 
E) Nothing 
A) The cin object 
B) A preprocessor 
C) An input device 
D) The cout object 
E) Nothing

Question 5

The following two expressions evaluate to the same thing:
c + a * b c + (a * b)

Accepted Answer

A) True 
 B)False

Question 6

What does the following C++ expression evaluate to? 6 - 6 / 3 + 3

Accepted Answer

A) 0 
B) 7 
C) 3 
D) 5 
E) None of the above 
A) 0 
B) 7 
C) 3 
D) 5 
E) None of the above

Question 7

Which of the following will allow an entire line of text to be read into a string object, even if it contains embedded blanks?

Accepted Answer

A) cin.get() 
B) getline() 
C) cin.ignore() 
D) cin >> 
E) both A and B, but not C or D. 
A) cin.get() 
B) getline() 
C) cin.ignore() 
D) cin >> 
E) both A and B, but not C or D.

Question 8

The following pair of C++ statements is legal.
const double taxRate; taxRate = .05;

Accepted Answer

A) True 
 B)False

Question 9

The statement cout << setw(4)<< num4 << " ";

Accepted Answer

A) outputs the value of num4 rounded to 4 decimal places. 
B) outputs the first 4 digits of the number stored in num4. 
C) outputs "setw(4)" before the value in the variable num4. 
D) outputs the value stored in num4 four times. 
E) does none of above. 
A) outputs the value of num4 rounded to 4 decimal places. 
B) outputs the first 4 digits of the number stored in num4. 
C) outputs "setw(4)" before the value in the variable num4. 
D) outputs the value stored in num4 four times. 
E) does none of above.

Question 10

The following 4 lines of C++ code, use strings.   Which of the following statements is /are true?

Accepted Answer

A) The C- string is assigned a value correctly, but the string object is not. 
B) The string object is defined incorrectly because no size is given for it. 
C) The string object is assigned a value correctly, but the C- string is not. 
D) The 2 string definitions are correct, but the 2 assignment statements are wrong. 
E) All 4 lines of code are correct. 
A) The C- string is assigned a value correctly, but the string object is not. 
B) The string object is defined incorrectly because no size is given for it. 
C) The string object is assigned a value correctly, but the C- string is not. 
D) The 2 string definitions are correct, but the 2 assignment statements are wrong. 
E) All 4 lines of code are correct.

Question 11

If the value of dollars is 5.0, the following statement will output 5.00 to the monitor:
cout << fixed << showpoint << setprecision(4)<< dollars << endl;

Accepted Answer

A) True 
 B)False

Question 12

The setw manipulator is used to set the precision of a number.

Accepted Answer

A) True 
 B)False

Question 13

Hand tracing a program is

Accepted Answer

A) a program design technique. 
B) a program debugging technique. 
C) a program run- time testing technique. 
D) creating a drawing of what a program's output screen will look like. 
E) none of the above. 
A) a program design technique. 
B) a program debugging technique. 
C) a program run- time testing technique. 
D) creating a drawing of what a program's output screen will look like. 
E) none of the above.

Question 14

To use stream manipulators, you should include the _ header file.

Accepted Answer

A) iomanip 
B) format 
C) fstream 
D) stream 
E) iostream 
A) iomanip 
B) format 
C) fstream 
D) stream 
E) iostream

Question 15

The following C++ statement will assign 1.5 to the result variable.
int result = 3.0 / 2.0;

Accepted Answer

A) True 
 B)False

Question 16

When a C++ expression is evaluated, binary operations are performed before unary operations.

Accepted Answer

A) True 
 B)False

Question 17

When an operator has two operands of different data types, C++ always converts them both to double before performing the operation.

Accepted Answer

A) True 
 B)False

Question 18

The following statement sets the value of total to - 3.
total -= 3;

Accepted Answer

A) True 
 B)False

Question 19

The object causes data to be input from the keyboard.

Accepted Answer

A) keyboard buffer 
B) cout 
C) dataIn 
D) cin 
E) standard input 
A) keyboard buffer 
B) cout 
C) dataIn 
D) cin 
E) standard input

Question 20

Which of the following statements about named constants is/are true?

Accepted Answer

A) The initial value of a named constant, cannot be changed during the program execution. 
B) The identifier name of a named constant can only contain capital letters and underscores. 
C) A named constant must be initialized with a value at the time it is declared. 
D) All 3 of the above statements are true. 
E) Statements A and C are true, but B is not. 
A) The initial value of a named constant, cannot be changed during the program execution. 
B) The identifier name of a named constant can only contain capital letters and underscores. 
C) A named constant must be initialized with a value at the time it is declared. 
D) All 3 of the above statements are true. 
E) Statements A and C are true, but B is not.

The following two statements will assign the same value to result.

When an arithmetic expression contains two or more different operators, such as * and +, the order in which the operations is done is determined by

Operator associativity is either left to right or

causes a program to wait until information is typed at the keyboard and the Enter key is pressed.

The following two expressions evaluate to the same thing: c + a * b c + (a * b)

What does the following C++ expression evaluate to? 6 - 6 / 3 + 3

Which of the following will allow an entire line of text to be read into a string object, even if it contains embedded blanks?

The following pair of C++ statements is legal. const double taxRate; taxRate = .05;

The statement cout << setw(4)<< num4 << " ";

The following 4 lines of C++ code, use strings. Which of the following statements is /are true?

If the value of dollars is 5.0, the following statement will output 5.00 to the monitor: cout << fixed << showpoint << setprecision(4)<< dollars << endl;

The setw manipulator is used to set the precision of a number.

Hand tracing a program is

To use stream manipulators, you should include the _ header file.

The following C++ statement will assign 1.5 to the result variable. int result = 3.0 / 2.0;

When a C++ expression is evaluated, binary operations are performed before unary operations.

When an operator has two operands of different data types, C++ always converts them both to double before performing the operation.

The following statement sets the value of total to - 3. total -= 3;

The object causes data to be input from the keyboard.

Which of the following statements about named constants is/are true?

Introduction to Computers and Programming

Introduction to C++

Making Decisions

Looping

Functions

Introduction to Classes and Objects

Arrays

Searching, Sorting, and Algorithm Analysis

Pointers

More About Classes and Object-Oriented Programming

More on C-Strings and the String Class

Advanced File and Io Operations

Recursion

Polymorphism and Virtual Functions

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Binary Trees

Filters

Exam 3: Expressions and Interactivity

The following two statements will assign the same value to result.

When an arithmetic expression contains two or more different operators, such as * and +, the order in which the operations is done is determined by

Operator associativity is either left to right or

causes a program to wait until information is typed at the keyboard and the Enter key is pressed.

The following two expressions evaluate to the same thing: c + a * b c + (a * b)

What does the following C++ expression evaluate to? 6 - 6 / 3 + 3

Which of the following will allow an entire line of text to be read into a string object, even if it contains embedded blanks?

The following pair of C++ statements is legal. const double taxRate; taxRate = .05;

The statement cout << setw(4)<< num4 << " ";

The following 4 lines of C++ code, use strings. Which of the following statements is /are true?

If the value of dollars is 5.0, the following statement will output 5.00 to the monitor: cout << fixed << showpoint << setprecision(4)<< dollars << endl;

The setw manipulator is used to set the precision of a number.

Hand tracing a program is

To use stream manipulators, you should include the _ header file.

The following C++ statement will assign 1.5 to the result variable. int result = 3.0 / 2.0;

When a C++ expression is evaluated, binary operations are performed before unary operations.

When an operator has two operands of different data types, C++ always converts them both to double before performing the operation.

The following statement sets the value of total to - 3. total -= 3;

The object causes data to be input from the keyboard.

Which of the following statements about named constants is/are true?

Introduction to Computers and Programming

Introduction to C++

Making Decisions

Looping

Functions

Introduction to Classes and Objects

Arrays

Searching, Sorting, and Algorithm Analysis

Pointers

More About Classes and Object-Oriented Programming

More on C-Strings and the String Class

Advanced File and Io Operations

Recursion

Polymorphism and Virtual Functions

Exceptions, Templates, and the Standard Template Library STL

Linked Lists

Stacks and Queues

Binary Trees

Filters