Question 1

The update expression of a for loop can contain more than one statement, e.g. counter++, total+= sales.

Accepted Answer

A) True 
 B)False

Question 2

The while loop has two important parts: an expression that is tested for a true or false value, and:

Accepted Answer

A) a statement or block that is repeated as long as the expression is true 
B) a statement or block that is repeated only if the expression is false 
C) one line of code that is repeated once, if the expression is true 
D) a statement or block that is repeated once, if the expression is true 
A) a statement or block that is repeated as long as the expression is true 
B) a statement or block that is repeated only if the expression is false 
C) one line of code that is repeated once, if the expression is true 
D) a statement or block that is repeated once, if the expression is true

Question 3

string objects have a member function named c_str that returns the contents of the object formatted as a null-terminated C-string.

Accepted Answer

A) True 
 B)False

Question 4

The condition that is tested by a while loop must be enclosed in parentheses and terminated with a semicolon.

Accepted Answer

A) True 
 B)False

Question 5

What will the following code display?

Accepted Answer

A) 6 
B) 5 
C) 7 
D) 0 
A) 6 
B) 5 
C) 7 
D) 0

Question 6

This statement may be used to stop a loop's current iteration and begin the next one.

Accepted Answer

A) break 
B) terminate 
C) return 
D) continue 
E) None of these 
A) break 
B) terminate 
C) return 
D) continue 
E) None of these

Question 7

Assuming dataFile is a file stream object, the statement: dataFile.close();

Accepted Answer

A) is illegal in C++ 
B) needs a filename argument to execute correctly 
C) closes a file 
D) is legal but risks losing valuable data 
E) None of these 
A) is illegal in C++ 
B) needs a filename argument to execute correctly 
C) closes a file 
D) is legal but risks losing valuable data 
E) None of these

Question 8

If you place a semicolon after the test expression in a while loop, it is assumed to be a(n):

Accepted Answer

A) pre-test loop 
B) post-test loop 
C) null statement 
D) infinite loop 
E) None of these 
A) pre-test loop 
B) post-test loop 
C) null statement 
D) infinite loop 
E) None of these

Question 9

What will the following code display?

Accepted Answer

A) 6 
B) 5 
C) 7 
D) 0 
A) 6 
B) 5 
C) 7 
D) 0

Question 10

In a for statement, this expression is executed only once.

Accepted Answer

A) test 
B) null 
C) initialization 
D) validation 
E) None of these 
A) test 
B) null 
C) initialization 
D) validation 
E) None of these

Question 11

A while loop is somewhat limited, because the counter can only be incremented by one each time through the loop.

Accepted Answer

A) True 
 B)False

Question 12

What will the following code display?

Accepted Answer

A) 6 
B) 5 
C) 7 
D) 0 
A) 6 
B) 5 
C) 7 
D) 0

Question 13

To allow file access in a program, you must #include this header file.

Accepted Answer

A) file 
B) fileaccess 
C) fstream 
D) cfile 
A) file 
B) fileaccess 
C) fstream 
D) cfile

Question 14

To write data to a file, you define an object of this data type.

Accepted Answer

A) outputFile 
B) ifstream 
C) fstream 
D) ofstream 
A) outputFile 
B) ifstream 
C) fstream 
D) ofstream

Question 15

What will the following code display?

Accepted Answer

A) 6 
B) 5 
C) 7 
D) 0 
A) 6 
B) 5 
C) 7 
D) 0

Question 16

What will the following code display?

Accepted Answer

A)   
B) 0 
C) 6 
D) 3 
A)   
B) 0 
C) 6 
D) 3

Question 17

This is a pre-test loop that is ideal in situations where you do not want the loop to iterate if the condition is false from the beginning.

Accepted Answer

A) do-while 
B) while 
C) for 
D) infinite 
E) None of these 
A) do-while 
B) while 
C) for 
D) infinite 
E) None of these

Question 18

The do-while loop is considered a(n)________ loop.

Accepted Answer

A) pre-test 
B) post-test 
C) infinite 
D) limited 
E) None of these 
A) pre-test 
B) post-test 
C) infinite 
D) limited 
E) None of these

Question 19

These are operators that add and subtract one from their operands.

Accepted Answer

A) plus and minus 
B) ++ and -- 
C) binary and unary 
D) conditional and relational 
E) None of these 
A) plus and minus 
B) ++ and -- 
C) binary and unary 
D) conditional and relational 
E) None of these

Question 20

A while loop's body can contain multiple statements, as long as they are enclosed in braces.

Accepted Answer

A) True 
 B)False

The update expression of a for loop can contain more than one statement, e.g. counter++, total+= sales.

The while loop has two important parts: an expression that is tested for a true or false value, and:

string objects have a member function named c_str that returns the contents of the object formatted as a null-terminated C-string.

The condition that is tested by a while loop must be enclosed in parentheses and terminated with a semicolon.

What will the following code display?

This statement may be used to stop a loop's current iteration and begin the next one.

Assuming dataFile is a file stream object, the statement: dataFile.close();

If you place a semicolon after the test expression in a while loop, it is assumed to be a(n):

What will the following code display?

In a for statement, this expression is executed only once.

A while loop is somewhat limited, because the counter can only be incremented by one each time through the loop.

What will the following code display?

To allow file access in a program, you must #include this header file.

To write data to a file, you define an object of this data type.

What will the following code display?

What will the following code display?

This is a pre-test loop that is ideal in situations where you do not want the loop to iterate if the condition is false from the beginning.

The do-while loop is considered a(n)________ loop.

These are operators that add and subtract one from their operands.

A while loop's body can contain multiple statements, as long as they are enclosed in braces.

Introduction to Computers and Programming

Introduction to C Plus Plus

Expressions and Interactivity

Making Decisions

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 5: Loops and Files

The update expression of a for loop can contain more than one statement, e.g. counter++, total+= sales.

The while loop has two important parts: an expression that is tested for a true or false value, and:

string objects have a member function named c_str that returns the contents of the object formatted as a null-terminated C-string.

The condition that is tested by a while loop must be enclosed in parentheses and terminated with a semicolon.

What will the following code display?

This statement may be used to stop a loop's current iteration and begin the next one.

Assuming dataFile is a file stream object, the statement: dataFile.close();

If you place a semicolon after the test expression in a while loop, it is assumed to be a(n):

What will the following code display?

In a for statement, this expression is executed only once.

A while loop is somewhat limited, because the counter can only be incremented by one each time through the loop.

What will the following code display?

To allow file access in a program, you must #include this header file.

To write data to a file, you define an object of this data type.

What will the following code display?

What will the following code display?

This is a pre-test loop that is ideal in situations where you do not want the loop to iterate if the condition is false from the beginning.

The do-while loop is considered a(n)________ loop.

These are operators that add and subtract one from their operands.

A while loop's body can contain multiple statements, as long as they are enclosed in braces.

Introduction to Computers and Programming

Introduction to C Plus Plus

Expressions and Interactivity

Making Decisions

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