Question 1

What will the value of x be after the following statements execute?

Accepted Answer

A) 13 
B) 18 
C) 0 
D) unknown 
A) 13 
B) 18 
C) 0 
D) unknown

Question 2

When the final value of an expression is assigned to a variable, it will be converted to:

Accepted Answer

A) The smallest C++ data type 
B) The largest C++ data type 
C) The data type of the variable 
D) The data type of the expression 
E) None of the above 
A) The smallest C++ data type 
B) The largest C++ data type 
C) The data type of the variable 
D) The data type of the expression 
E) None of the above

Question 3

Which line in the following program will cause a compiler error?

Accepted Answer

A) 6 
B) 8 
C) 9 
D) 7 
A) 6 
B) 8 
C) 9 
D) 7

Question 4

When C++ is working with an operator, it strives to convert the operands to the same type.

Accepted Answer

A) True 
 B)False

Question 5

Which line in the following program will cause a compiler error?

Accepted Answer

A) 6 
B) 8 
C) 9 
D) 7 
A) 6 
B) 8 
C) 9 
D) 7

Question 6

In C++, it is impossible to display the number 34.789 in a field of 9 spaces with 2 decimal places of precision.

Accepted Answer

A) True 
 B)False

Question 7

Arithmetic operators that share the same precedence have right to left associativity.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) Parentheses 
B) Exponents 
C) Calculations 
D) Coercions 
E) None of the above 
A) Parentheses 
B) Exponents 
C) Calculations 
D) Coercions 
E) None of the above

Question 9

The ________ operator always follows the cin object, and the ________ operator follows the cout object.

Accepted Answer

A) binary, unary 
B) conditional, binary 
C) >>, > 
E) None of the above 
A) binary, unary 
B) conditional, binary 
C) >>, > 
E) None of the above

Question 10

What is the value of average after the following code executes?

Accepted Answer

A) 2.0 
B) 4.0 
C) 1.5 
D) 6.0 
A) 2.0 
B) 4.0 
C) 1.5 
D) 6.0

Question 11

This function tells the cin object to skip one or more characters in the keyboard buffer.

Accepted Answer

A) cin.ignore 
B) cin.jump 
C) cin.hop 
D) cin.skip; 
E) None of the above 
A) cin.ignore 
B) cin.jump 
C) cin.hop 
D) cin.skip; 
E) None of the above

Question 12

This manipulator causes the field to be left-justified with padding spaces printed to the right.

Accepted Answer

A) left_justify 
B) right 
C) left 
D) left_pad 
E) None of these 
A) left_justify 
B) right 
C) left 
D) left_pad 
E) None of these

Question 13

If you want to know the length of the string that is stored in a string object, you can call the object's size member function.

Accepted Answer

A) True 
 B)False

Question 14

Which statement is equivalent to the following?
Number += 1;

Accepted Answer

A) number = number + 1; 
B) number + 1; 
C) number = 1; 
D) None of these 
A) number = number + 1; 
B) number + 1; 
C) number = 1; 
D) None of these

Question 15

Which is true about the following statement?

Accepted Answer

A) It allows four spaces for the value in the variable num4. 
B) It outputs "setw(4)" before the value in the variable num4. 
C) It should use setw(10)to output the value in the variable num10. 
D) It inputs up to four characters stored in the variable num4. 
E) None of these 
A) It allows four spaces for the value in the variable num4. 
B) It outputs "setw(4)" before the value in the variable num4. 
C) It should use setw(10)to output the value in the variable num10. 
D) It inputs up to four characters stored in the variable num4. 
E) None of these

Question 16

The fixed manipulator causes a number to be displayed in scientific notation.

Accepted Answer

A) True 
 B)False

Question 17

When the fixed manipulator is used, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point.

Accepted Answer

A) True 
 B)False

Question 18

This stream manipulator forces cout to print the digits in fixed-point notation.

Accepted Answer

A) setprecision(2) 
B) setw(2) 
C) fixed 
D) setfixed(2) 
E) None of these 
A) setprecision(2) 
B) setw(2) 
C) fixed 
D) setfixed(2) 
E) None of these

Question 19

Assume that x is an int variable. What value is assigned to x after the following assignment statement is executed?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) -3 
E) None of these 
A) 0 
B) 1 
C) 2 
D) -3 
E) None of these

Question 20

You can use these to override the rules of operator precedence in a mathematical expression.

Accepted Answer

A) [Brackets] 
B) (Parentheses) 
C) {Braces} 
D) The escape character \ 
E) None of these 
A) [Brackets] 
B) (Parentheses) 
C) {Braces} 
D) The escape character \ 
E) None of these

What will the value of x be after the following statements execute?

When the final value of an expression is assigned to a variable, it will be converted to:

Which line in the following program will cause a compiler error?

When C++ is working with an operator, it strives to convert the operands to the same type.

Which line in the following program will cause a compiler error?

In C++, it is impossible to display the number 34.789 in a field of 9 spaces with 2 decimal places of precision.

Arithmetic operators that share the same precedence have right to left associativity.

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

The operator always follows the cin object, and the operator follows the cout object.

What is the value of average after the following code executes?

This function tells the cin object to skip one or more characters in the keyboard buffer.

This manipulator causes the field to be left-justified with padding spaces printed to the right.

If you want to know the length of the string that is stored in a string object, you can call the object's size member function.

Which statement is equivalent to the following? Number += 1;

Which is true about the following statement?

The fixed manipulator causes a number to be displayed in scientific notation.

When the fixed manipulator is used, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point.

This stream manipulator forces cout to print the digits in fixed-point notation.

Assume that x is an int variable. What value is assigned to x after the following assignment statement is executed?

You can use these to override the rules of operator precedence in a mathematical expression.

Introduction to Computers and Programming

Introduction to C Plus Plus

Making Decisions

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

Pointers

Characters, C-Strings, and More About the String Class

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library Stl

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

Exam 3: Expressions and Interactivity

What will the value of x be after the following statements execute?

When the final value of an expression is assigned to a variable, it will be converted to:

Which line in the following program will cause a compiler error?

When C++ is working with an operator, it strives to convert the operands to the same type.

Which line in the following program will cause a compiler error?

In C++, it is impossible to display the number 34.789 in a field of 9 spaces with 2 decimal places of precision.

Arithmetic operators that share the same precedence have right to left associativity.

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

The ________ operator always follows the cin object, and the ________ operator follows the cout object.

What is the value of average after the following code executes?

This function tells the cin object to skip one or more characters in the keyboard buffer.

This manipulator causes the field to be left-justified with padding spaces printed to the right.

If you want to know the length of the string that is stored in a string object, you can call the object's size member function.

Which statement is equivalent to the following? Number += 1;

Which is true about the following statement?

The fixed manipulator causes a number to be displayed in scientific notation.

When the fixed manipulator is used, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point.

This stream manipulator forces cout to print the digits in fixed-point notation.

Assume that x is an int variable. What value is assigned to x after the following assignment statement is executed?

You can use these to override the rules of operator precedence in a mathematical expression.

Introduction to Computers and Programming

Introduction to C Plus Plus

Making Decisions

Loops and Files

Functions

Arrays

Searching and Sorting Arrays

Pointers

Characters, C-Strings, and More About the String Class

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions, Templates, and the Standard Template Library Stl

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters

The operator always follows the cin object, and the operator follows the cout object.