BTE320 Chapter 5

invariant

A loop ____________________ is a set of statements that remains true each time the loop body is executed.

looping

In ____ structures, the computer repeats particular statements a certain number of times depending on some condition(s).

for loop

When a continue statement is executed in a ____, the update statement always executes.

do...while

____ loops are called posttest loops

infinite

a loop that continues to execute endlessly is called an ____ loop

semantic

a semicolon at the end of the for statement (just before the body of the loop) is a ____ error

flag

an ___ controlled while loop uses a bool variable to control the loop

true

in a counter controlled while loop, the loop control variable must be initialized before the loop

false

in a sentinel controlled while loop, the body of the loop continues to execute until the EOF symbol is read

pretest

in a while and for loop, the loop condition is evaluated before executing the body of the loop. therefore, m while and for loops are called ___ loops

true

in the case of a sentinel controlled while loop, the first item is read before the while loop is entered

break

the ___ statement can be used to eliminate the use of certain (flag) variables

break

the ____ statement is typically used for two purposes : 1- to exit early from a loop 2- to skip the remainder of the switch structure

true

the control statements in the for loop include the initial statement, loop condition, and update statement

true

the control variable in a flag controlled while loop is a bool variable

istream

the function eof is a member of the data type ____

true

the number of iterations of a counter controlled loop is known in advance

false

the statement in the body of a while loop acts as a decision maker

cstdlib

to generate a random number, you can use the function rand of the header file _____

do...while loop

type of loop guaranteed to execute at least once

do...while loop

type of loop that does not have an entry condition

loop continue test

what executes immediately after a continue statement in a while and do-while loop?