Chapter 5

Question 1

Inside the brackets of the loop is a _____ expression. This means the loop continues until the Boolean expression is ______

Answer 1

Boolean

False

Question 2

What is the syntax for a while loop

Answer 2

While (loop-continuation-condition)
{
Statement(s)
}

Question 3

Can you use floating point values for equality checking in a loop expression?

Answer 3

No because floating point numbers are an approximation

Question 4

What is the function of eof()?

Answer 4

When reading text from a file it will terminate a loop when the end of the file is reached?

Question 5

Eof returns _____ when the end of the file is reached. Because of this it is to have the syntax written like….

Answer 5

True

While (!input.eof())

Question 6

A do while loop is the same as a while loop except that…..

Answer 6

It executes the loop first and then checks the loop condition

Question 7

What is the syntax of a do while loop?

Answer 7

do
{
Statement(s)
} while (loop-continuation-condition)

Question 8

what is the syntax of a for loop

Answer 8

for (intial-action; loop-continuation-condition; action-after-each-iteration)
{
statement(s)
}

Question 9

a for loop generally uses a variable to control how many times the loop body is executed and when the loop terminates, this is called a _____ _____

Answer 9

control variable

Question 10

the initial-action in a for loop often _____ the control variable.

Answer 10

intializes

Question 11

the action-after-each-iteration in a for loop usually ____ or ____ the control variable

Answer 11

increments

decrements

Question 12

the loop-continuation-condition in a for loop tests wether the control varibale has….

Answer 12

reached termination variable

Question 13

for loops and while loops are called ____ loops

Answer 13

pretest

Question 14

do-while are called ____ loops

Answer 14

postest

Question 15

in general, a ____ loop is if the number of repetitions is known in advance

Answer 15

for

Question 16

in general, a _____ loops is used when the number of repetitions is not fixed

Answer 16

while

Question 17

a ____ loop is used when you want to execute the statements before the continuation condition is tested

Answer 17

before

Question 18

a semi colon is needed to end a lop for ____ loops

Answer 18

do-while

Question 19

____ breaks out of an iteration while ___ breaks out of the loop

Answer 19

continue

break

Question 20

a while loop executes statements repeatedly while the conditon is _____

Answer 20

true

Question 21

in the while and do-while loops, the loop-continuation-condition is evaluated immediately ____ the continue statement

Answer 21

after

Question 22

in the for loop, the ____-_____-____-_____ is preformed, THEN the loop-continuation-condition is evaluated, immediately after the continue statement

Answer 22

action after each iteration