Chapter 4 Terms

Front 1

What are 3 looping structures used in C++?

Back 1

for
while
do-while

Front 2

A while loop continues execution as long as the expressions evaluates to true. What is the while loop does not contain a statement that sets the expression to false?

Back 2

You will end up with an infinite loop.

Front 3

Loop control variables are automatically initialized in a loop.

Back 3

false

Front 4

A sentinel controlled while loop is a while loop whose termination depends on a special value.

Back 4

true

Front 5

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

Back 5

false

Front 6

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

Back 6

true

Front 7

Assume all variables are properly declared. The following for loop executes 20 times.

for (i = 0; i <= 20; i++)
cout << i;

Back 7

false

Front 8

A do...while loop is a post-test loop.

Back 8

true

Front 9

Both while and for loops are pre-test loops.

Back 9

true

Front 10

The body of a do...while loop may not execute at all.

Back 10

false

Front 11

The execution of a break statement in a while loop terminates the loop.

Back 11

true

Front 12

A loop that continues to execute endlessly is what type of loop?

Back 12

infinite

Front 13

Which loop is guaranteed to execute at least once?

Back 13

do-while loop

Front 14

Write a for loop to find the sum of the integers from 1 to 20.

Back 14

sum = 0;
for (int i = 1; i <= 20; i++)
sum = sum + i;

Front 15

Write a for loop to print out the word 'hello' 5 times in a row to the screen.

Back 15

for (int i = 0; i < 5; i++)
cout << "hello" << endl;

Front 16

What is the least number of times a do-while loop will execute?

Back 16

one
A for or while loop might never iterate through the loop depending on the conditional statement but a do-while loop will always iterate once before the boolean expression is evaluated

Front 17

In C++ the words 'for' and 'while' are reserved word.

Back 17

true

Front 18

How many times will the word 'hello' be printed?

int i = 1;
while (i <= 20) {
cout << "hello" << endl;
}

Back 18

infinite
The value for 'i' never changes inside the loop.

Front 19

Is the following for loop legal?

for (;;)
cout << "hello" << endl;

Back 19

Yes, but it will be an infinite loop

Front 20

What is the output of the following for loop that counts backwards?

for (int i = 10; i >= 1; i--)
cout << " " << i;

Back 20

10 9 8 7 6 5 4 3 2 1