Question 1

This means to increase a value by one.

Accepted Answer

A)  decrement
B)  increment
C)  modulus
D)  parse
E)  None of theseF) B) and E)
G) C) and D)

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

How many times will the following loop display "Hello"?

Accepted Answer

A)  20
B)  19
C)  21
D)  An infinite number of timesE) A) and C)
F) C) and D)

Question 4

This is a control structure that causes a statement or group of statements to repeat.

Accepted Answer

A)  decision statement
B)  constant
C)  loop
D)  cout object
E)  None of theseF) B) and C)
G) A) and E)

Question 5

The scope of a variable declared in a for loop's initialization expression always extends beyond the body of the loop.

Accepted Answer

A) True 
 B)False

Question 6

You may nest while and do-while loops, but you may not nest for loops.

Accepted Answer

A) True 
 B)False

Question 7

The statements in the body of a while loop may never be executed, whereas the statements in the body of a do-while loop will be executed:

Accepted Answer

A)  at least once
B)  at least twice
C)  as many times as the user wishes
D)  never
E)  None of theseF) D) and E)
G) B) and D)

Question 8

This is a special value that marks the end of a list of values.

Accepted Answer

A)  constant
B)  variable
C)  loop
D)  sentinel
E)  None of theseF) A) and B)
G) A) and C)

Question 9

The do-while loop is a(n) ________ loop that is ideal in situations where you always want the loop to iterate at least once.

Accepted Answer

A)  post-test
B)  pre-test
C)  infinite
D)  null-terminated
E)  None of theseF) B) and C)
G) A) and C)

Question 10

How many times will the following loop display "Hello"?

Accepted Answer

A)  20
B)  19
C)  21
D)  An infinite number of timesE) None of the above
F) A) and D)

Question 11

The while loop contains an expression that is tested for a true or false value, and a statement or block that is repeated as long as the expression:

Accepted Answer

A)  is false
B)  is true
C)  does not evaluate to true or false
D)  evaluates to true or false
E)  None of theseF) All of the above
G) A) and D)

Question 12

When the increment operator precedes its operand, as in ++num1, the expression is in this mode.

Accepted Answer

A)  postfix
B)  prefix
C)  preliminary
D)  binary
E)  None of theseF) C) and D)
G) D) and E)

Question 13

Something within a while loop must eventually cause the condition to become false, or a(n) ________ results.

Accepted Answer

A)  null value
B)  infinite loop
C)  unexpected exit
D)  compiler error
E)  None of theseF) A) and D)
G) A) and B)

Question 14

The while loop is this type of loop.

Accepted Answer

A)  post-test
B)  pre-test
C)  infinite
D)  limited
E)  None of theseF) D) and E)
G) A) and B)

Question 15

You may not use the break statement in a nested loop.

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A)  break
B)  terminate
C)  re-iterate
D)  continue
E)  None of theseF) A) and B)
G) C) and D)

Question 17

This is a variable that is regularly incremented or decremented each time a loop iterates.

Accepted Answer

A)  constant
B)  counter
C)  control statement
D)  null terminator
E)  None of theseF) A) and E)
G) B) and E)

Question 18

It is possible to define a file stream object and open a file in one statement.

Accepted Answer

A) True 
 B)False

Question 19

If you want a user to enter exactly 20 values, which loop would be the best to use?

Accepted Answer

A)  do-while
B)  for
C)  while
D)  infinite
E)  None of theseF) All of the above
G) A) and B)

Question 20

In C++ 11 you can pass a string object as argument to a file stream object's open member function.

Accepted Answer

A) True 
 B)False

Exam 5: Loops and Files

You may not use the break statement in a nested loop.

Correct AnswerverifiedShow Answer

You may nest while and do-while loops, but you may not nest for loops.

Correct AnswerverifiedShow Answer

The while loop contains an expression that is tested for a true or false value, and a statement or block that is repeated as long as the expression:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

How many times will the following loop display "Hello"?

Correct AnswerverifiedShow Answer

Something within a while loop must eventually cause the condition to become false, or a(n) ________ results.

Correct AnswerverifiedShow Answer

The do-while loop is a(n) ________ loop that is ideal in situations where you always want the loop to iterate at least once.

Correct AnswerverifiedShow Answer

The while loop is this type of loop.

Correct AnswerverifiedShow Answer

This is a special value that marks the end of a list of values.

Correct AnswerverifiedShow Answer

This means to increase a value by one.

Correct AnswerverifiedShow Answer

When the increment operator precedes its operand, as in ++num1, the expression is in this mode.

Correct AnswerverifiedShow Answer

This is a control structure that causes a statement or group of statements to repeat.

Correct AnswerverifiedShow Answer

The statements in the body of a while loop may never be executed, whereas the statements in the body of a do-while loop will be executed:

Correct AnswerverifiedShow Answer

If you want a user to enter exactly 20 values, which loop would be the best to use?

Correct AnswerverifiedShow Answer

The scope of a variable declared in a for loop's initialization expression always extends beyond the body of the loop.

Correct AnswerverifiedShow Answer

In C++ 11 you can pass a string object as argument to a file stream object's open member function.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

It is possible to define a file stream object and open a file in one statement.

Correct AnswerverifiedShow Answer

This is a variable that is regularly incremented or decremented each time a loop iterates.

Correct AnswerverifiedShow Answer

How many times will the following loop display "Hello"?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified