Question 1

A while loop is somewhat limited, because the counter can only count up, not down.

Accepted Answer

A) True 
 B)False  False

Question 2

When a loop is nested inside another loop, the inner loop goes through all its iterations for each iteration of the outer loop.

Accepted Answer

A) True 
 B)False

Question 3

When a loop is nested inside another loop, the outer loop goes through all its iterations for each iteration of the inner loop.

Accepted Answer

A) True 
 B)False  False

Question 4

The while loop has two important parts: a condition that is tested and a statement or block of statements that is

Accepted Answer

A)   repeated as long as the condition is True.
B)   repeated until the condition becomes True.
C)   done once if the condition is True.
D)   always done at least once, then repeated if the condition is True.
E)   always skipped.F) A) and B)
G) A) and E)

Question 5

To use files in a C++ program you must include the ________ header file.

Accepted Answer

A)   fstream
B)   iostream
C)   file
D)   Both A and B are needed.
E)   Both B and C are needed.F) None of the above
G) C) and D)

Question 6

The do-while loop is a(n)  ________ loop, whereas the while loop is a(n)  ________ loop.

Accepted Answer

A)   finite, infinite
B)   infinite, finite
C)   simple, complex
D)   pretest, post test
E)   post test, pretestF) C) and D)
G) B) and D)

Question 7

The -- operator

Accepted Answer

A)   is a unary operator.
B)   subtracts one from the value of its operand.
C)   must have an lvalue, such as a variable, as its operand.
D)   can be used in either prefix or postfix mode.
E)   All of the above are True.F) A) and E)
G) B) and E)

Question 8

In a for statement, the ________ expression is executed only once.

Accepted Answer

A)   initialization
B)   test
C)   repeat
D)   validate
E)   updateF) B) and D)
G) A) and B)

Question 9

A while loop may have a semicolon after the test expression and before the body of the loop, but it is not required.

Accepted Answer

A) True 
 B)False

Question 10

A(n)  ________ is a variable that is regularly incremented or decremented each time a loop iterates.

Accepted Answer

A)   counter
B)   accumulator
C)   sentinel
D)   total
E)   loop control variableF) B) and E)
G) A) and E)

Question 11

If a while loop has no braces around the body of the loop

Accepted Answer

A)   there is no loop body.
B)   the loop body ends when the endwhile statement is encountered.
C)   the loop body contains just one statement.
D)   the program will not compile.
E)   the program will compile, but not run.F) A) and C)
G) C) and D) C

Question 12

To use an output file in a C++ program you must

Accepted Answer

A)   make sure the file already exists.
B)   create a file stream object that will "point to" (i.e. reference)  the file.
C)   open the file.
D)   do all of the above.
E)   do B and C, but not A.F) A) and E)
G) B) and C)

Question 13

________ are C++ operators that change their operands by one.

Accepted Answer

A)   + and -
B)   ++ and --
C)   binary and unary
D)   arithmetic and relational
E)   conditional and relationalF) All of the above
G) A) and B)

Question 14

A for statement contains three expressions: initialization, test, and

Accepted Answer

A)   repeat.
B)   validate.
C)   update.
D)   quit.
E)   increment.F) A) and B)
G) A) and C)

Question 15

You can nest a for loop inside another for loop, but cannot nest a while loop inside another while loop or a do-while loop inside another do-while loop.

Accepted Answer

A) True 
 B)False

Question 16

To use files in a C++ program you must include the ________ header file.

Accepted Answer

A)   file
B)   iostream
C)   fstream
D)   Both A and B.
E)   Both B and C.F) B) and E)
G) A) and B)

Question 17

You may define a(n)  ________ in the initialization expression of a for loop.

Accepted Answer

A)   new data type
B)   new keyword
C)   constant
D)   variable
E)   operatorF) A) and E)
G) B) and E)

Question 18

The statements in the body of a do-while loop are executed

Accepted Answer

A)   exactly once.
B)   at least once.
C)   only if the test condition is initially True.
D)   until the test condition becomes True.
E)   forever until the user hits the break key.F) C) and D)
G) D) and E)

Question 19

An initialization expression may be omitted from the for loop if no initialization is required.

Accepted Answer

A) True 
 B)False

Question 20

Before beginning to add value to it, an accumulator should be initialized to 1.

Accepted Answer

A) True 
 B)False

Exam 5: Looping

A while loop is somewhat limited, because the counter can only count up, not down.

Correct AnswerverifiedFalse

When a loop is nested inside another loop, the inner loop goes through all its iterations for each iteration of the outer loop.

Correct AnswerverifiedShow Answer

When a loop is nested inside another loop, the outer loop goes through all its iterations for each iteration of the inner loop.

Correct AnswerverifiedFalse

The while loop has two important parts: a condition that is tested and a statement or block of statements that is

Correct AnswerverifiedShow Answer

To use files in a C++ program you must include the ________ header file.

Correct AnswerverifiedShow Answer

The do-while loop is a(n) ________ loop, whereas the while loop is a(n) ________ loop.

Correct AnswerverifiedShow Answer

The -- operator

Correct AnswerverifiedShow Answer

In a for statement, the ________ expression is executed only once.

Correct AnswerverifiedShow Answer

A while loop may have a semicolon after the test expression and before the body of the loop, but it is not required.

Correct AnswerverifiedShow Answer

A(n) ________ is a variable that is regularly incremented or decremented each time a loop iterates.

Correct AnswerverifiedShow Answer

If a while loop has no braces around the body of the loop

Correct AnswerverifiedC

To use an output file in a C++ program you must

Correct AnswerverifiedShow Answer

________ are C++ operators that change their operands by one.

Correct AnswerverifiedShow Answer

A for statement contains three expressions: initialization, test, and

Correct AnswerverifiedShow Answer

You can nest a for loop inside another for loop, but cannot nest a while loop inside another while loop or a do-while loop inside another do-while loop.

Correct AnswerverifiedShow Answer

To use files in a C++ program you must include the ________ header file.

Correct AnswerverifiedShow Answer

You may define a(n) ________ in the initialization expression of a for loop.

Correct AnswerverifiedShow Answer

The statements in the body of a do-while loop are executed

Correct AnswerverifiedShow Answer

An initialization expression may be omitted from the for loop if no initialization is required.

Correct AnswerverifiedShow Answer

Before beginning to add value to it, an accumulator should be initialized to 1.

Correct AnswerverifiedShow Answer

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False

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False

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The do-while loop is a(n) loop, whereas the while loop is a(n) loop.

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C

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