Deck 5: Repetition Statements

Question 1

The line total = total + num is an example of a(n) ____ statement.

A) initialization
B) declaration
C) accumulating
D) definition

Answer 1

C

Question 2

In a(n) ____ loop, the condition is tested before any statements in the loop are executed.

A) posttest
B) pretest
C) prior
D) early-test

Answer 2

B

Question 3

The do while construct is an example of a posttest loop.

Answer 3

True

Question 4

The construction for ( ; count is invalid.

Question 5

Combining interactive data entry with the repetition capabilities of the while statement produces adaptable and powerful programs.

Question 6

A(n) ____ loop is a loop that never ends.

A) fixed
B) controlled
C) infinite
D) finite

Question 7

A(n) ____ statement both defines the boundaries containing the repeating section of code and controls whether the code will be executed.

A) declaration
B) selection
C) arithmetic
D) repetition

Question 8

As a general rule, the continue statement is less useful than the break statement.

Question 9

Entering data interactively in a loop is a general technique that s applicable to for loops.

Question 10

In C++, continue produces the same action for both while and for statements.

Question 11

Three different forms of repetition statements are provided in C++: while , ____, and do while .

A) for
B) if-else
C) switch
D) if-else chain

Question 12

____ loops always execute the loop statements at least once before the condition is tested.

A) Pretest
B) Posttest
C) entrance-controlled
D) beforetest

Question 13

The do statement is particularly useful in filtering user-entered input and providing data validation checks.

Question 14

C++ s for statement is virtually interchangeable with its while statement.

Question 15

In C++, a ____ loop is constructed using a while statement.

A) while
B) whereas
C) do
D) switch

Question 16

A loop that evaluates a condition at the end of the repeating section of code is referred to as a(n) ____ loop.

A) entrance-controlled
B) pretest
C) exit-controlled
D) aftertest

Question 17

The for statement performs the same functions as the while statement, but uses a different form.

Question 18

In a ____ loop, the condition is used to keep track of how many repetitions have occurred.

A) pretest
B) posttest
C) variable-condition
D) fixed-count

Question 19

Both the ____ and for loop structures are examples of entrance-controlled loops.

A) while
B) switch
C) do while
D) if-else

Question 20

Loop structures can evaluate the condition only at the beginning of the repeating section of code.

Question 21

Values used to control a loop can be set by using ____.

A) variables
B) constants
C) conditional statements
D) either a or b

Question 22

The ____ error means the loop executes either one too many or one too few times than was intended.

A) miscalculation
B) off by one
C) less-count
D) too-many-few

Question 23

In C++, a ____ loop is constructed using a for statement.

A) for
B) time
C) selection
D) switch

Question 24

Inside the parentheses of the for statement are three items, separated by ____.

A) dots
B) commas
C) colons
D) semicolons

Question 25

When ____ is encountered in a loop, the next iteration of the loop begins immediately.

A) goto
B) go
C) resume
D) continue

Question 26

Posttest loops can be constructed in C++ using ____ loops.

A) while
B) do while
C) for
D) if-else chain

Question 27

A(n) _______________ statement defines the boundaries of a repeating section of code and controls whether the code is executed.

Question 28

In C++, a posttest loop can be created by using a(n) ____ statement.

A) if
B) case
C) do
D) for

Question 29

A(n) ____________________ loop s test condition evaluates to a non-zero value on every repetition.

Question 30

A common programming technique is to use a for or ____ loop to cycle through a set of numbers and select numbers meeting one or more criteria.

A) while
B) if-else
C) switch
D) break

Question 31

In a(n) ____________________-condition loop, the tested condition doesn t depend on a count being reached; instead, it continues until a specified value is encountered.

Question 32

In computer programming, data values used to signal the start or end of a data series are called ____.

A) sentinels
B) marks
C) dummies
D) interrupts

Question 33

A semicolon with nothing preceding it is also a valid statement, called the ____ statement.

A) empty
B) null
C) blank
D) void

Question 34

A(n) ____ statement forces an immediate exit from the switch , while , for and do-while statements.

A) exit
B) break
C) stop
D) halt

Question 35

Entrance-controlled loops are also referred to as ____________________ loops.

Question 36

Typically, null statements are used with while or ____ statements.

A) if-else
B) switch
C) for
D) case

Question 37

C++ s ____________________ statement is virtually interchangeable with its while statement.

Question 38

A loop contained within another loop is called a ____ loop.

A) compound
B) composed
C) complex
D) nested

Question 39

In Visual Basic and Pascal, the for statement can be used only to construct ____ loops.

A) posttest
B) exit-controlled
C) fixed-count
D) variable-condition

Question 40

A(n) ____ forces control to be passed to the altering list in a for statement.

A) exit
B) continue
C) interrupt
D) next

Question 41

Inside the parentheses of the for statement, the ____________________ list provides the increment value that s added to or subtracted from the counter each time the loop is executed.

Question 42

The semicolon at the end of the statement for (count = 0; count is called a(n) ____________________ statement.

Question 43

The ____________________ statement violates pure structured programming principles because it provides a second, nonstandard exit from a loop.

Question 44

In computer programming, a data value used to signal the start or end of a data series is called a(n) ____________________.

Question 45

In C++, the ____________________ statement can replace or be replaced by an equivalent while or for statement.

Question 46

A common programming error is omitting the final ____________________ from the do statement.

Question 47

When a(n) ____________________ statement is encountered in a loop, the next iteration of the loop begins immediately.

Question 48

A(n) ____________________ statement is used where a statement is required syntactically, but no action is called for.

Question 49

A do while loop is an example of a(n) ____________________-controlled loop.

Question 50

The loop created by the statement for (i = 0; i executes ____________________ times