Question 1

The ________ stream manipulator can be used to establish a field width for the value immediately following it.

Accepted Answer

A)  cin 
B)  setField 
C)  setw 
D)  iomanip 
E)  width 
A)  cin 
B)  setField 
C)  setw 
D)  iomanip 
E)  width

Question 2

________ can be used to override the rules of operator precedence.

Accepted Answer

A)  Some operators 
B)  Parentheses 
C)  Operands 
D)  Associativity 
E)  Nothing 
A)  Some operators 
B)  Parentheses 
C)  Operands 
D)  Associativity 
E)  Nothing

Question 3

The ________ object causes data to be input from the keyboard.

Accepted Answer

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

Question 4

The following two statements will assign the same value to result.
result = a + b * c;
result = b * c + a;

Accepted Answer

A) True 
 B)False

Question 5

The following statement number = rand() % 5 + 10;
Assigns number a value in the range of

Accepted Answer

A)  5 - 10 
B)  0 - 15 
C)  5 - 15 
D)  10 - 15 
E)  none of the above. 
A)  5 - 10 
B)  0 - 15 
C)  5 - 15 
D)  10 - 15 
E)  none of the above.

Question 6

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

Accepted Answer

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

Question 7

The following pair of C++ statements will cause 3.5 to be output.
double number = 7 / 2;
cout << number;

Accepted Answer

A) True 
 B)False

Question 8

Which of the following expressions will evaluate to 2.5?

Accepted Answer

A) static_cast(5/2) B) static_cast(5)/2 C) 5/static_cast(2) D) All three of the above E) Both B and C, but not A A) static_cast(5/2) B) static_cast(5)/2 C) 5/static_cast(2) D) All three of the above E) Both B and C, but not A

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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

Question 11

When converting some algebraic expressions to C++, you may need to insert ________ and ________ that do not appear in the algebraic expression.

Accepted Answer

A)  values, exponents 
B)  operators, calculations 
C)  operators, operands 
D)  operators, parentheses 
E)  operands, parentheses 
A)  values, exponents 
B)  operators, calculations 
C)  operators, operands 
D)  operators, parentheses 
E)  operands, parentheses

Question 12

The only difference between C-strings and string objects is how they are declared and internally stored. They are used exactly the same way.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

The following 4 lines of C++ code, use strings. string firstName; // Define a string object
Char lastName[7]; // Define a C-string
FirstName = "Abraham"; // Assign a value to the string object
LastName = "Lincoln"; // Assign a value to the C-string
Which of the following statements is /are True?

Accepted Answer

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

Question 16

The following statement sets sum1, sum2, and sum3 all to zero.
sum1 = sum2 = sum3 = 0;

Accepted Answer

A) True 
 B)False

Question 17

In any program that uses the cin object, you must #include

Accepted Answer

A) the iostream header file. B) the fstream header file. C) >> and << operators. D) named constants. E) none of the above. A) the iostream header file. B) the fstream header file. C) >> and << operators. D) named constants. E) none of the above.

Question 18

Operator associativity is either left to right or

Accepted Answer

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

Question 19

Which of the following statements doubles the value stored in answer?

Accepted Answer

A)  answer += 2; 
B)  answer *= 2; 
C)  answer = answer * 2; 
D)  All three of the above 
E)  Both B and C, but not A 
A)  answer += 2; 
B)  answer *= 2; 
C)  answer = answer * 2; 
D)  All three of the above 
E)  Both B and C, but not A

Question 20

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

The ________ stream manipulator can be used to establish a field width for the value immediately following it.

________ can be used to override the rules of operator precedence.

The ________ object causes data to be input from the keyboard.

The following two statements will assign the same value to result. result = a + b * c; result = b * c + a;

The following statement number = rand() % 5 + 10; Assigns number a value in the range of

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

The following pair of C++ statements will cause 3.5 to be output. double number = 7 / 2; cout << number;

Which of the following expressions will evaluate to 2.5?

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

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

When converting some algebraic expressions to C++, you may need to insert and that do not appear in the algebraic expression.

The only difference between C-strings and string objects is how they are declared and internally stored. They are used exactly the same way.

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

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

The following 4 lines of C++ code, use strings. string firstName; // Define a string object Char lastName[7]; // Define a C-string FirstName = "Abraham"; // Assign a value to the string object LastName = "Lincoln"; // Assign a value to the C-string Which of the following statements is /are True?

The following statement sets sum1, sum2, and sum3 all to zero. sum1 = sum2 = sum3 = 0;

In any program that uses the cin object, you must #include

Operator associativity is either left to right or

Which of the following statements doubles the value stored in answer?

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

Introduction to Computers and Programming

Introduction to C Plus Plus

Making Decisions

Looping

Functions

Introduction to Classes and Objects

Arrays

Searching, Sorting, 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 ________ stream manipulator can be used to establish a field width for the value immediately following it.

________ can be used to override the rules of operator precedence.

The ________ object causes data to be input from the keyboard.

The following two statements will assign the same value to result. result = a + b * c; result = b * c + a;

The following statement number = rand() % 5 + 10; Assigns number a value in the range of

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

The following pair of C++ statements will cause 3.5 to be output. double number = 7 / 2; cout << number;

Which of the following expressions will evaluate to 2.5?

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

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

When converting some algebraic expressions to C++, you may need to insert ________ and ________ that do not appear in the algebraic expression.

The only difference between C-strings and string objects is how they are declared and internally stored. They are used exactly the same way.

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

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

The following 4 lines of C++ code, use strings. string firstName; // Define a string object Char lastName[7]; // Define a C-string FirstName = "Abraham"; // Assign a value to the string object LastName = "Lincoln"; // Assign a value to the C-string Which of the following statements is /are True?

The following statement sets sum1, sum2, and sum3 all to zero. sum1 = sum2 = sum3 = 0;

In any program that uses the cin object, you must #include

Operator associativity is either left to right or

Which of the following statements doubles the value stored in answer?

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

Introduction to Computers and Programming

Introduction to C Plus Plus

Making Decisions

Looping

Functions

Introduction to Classes and Objects

Arrays

Searching, Sorting, 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

When converting some algebraic expressions to C++, you may need to insert and that do not appear in the algebraic expression.