Kahoot Questions and Answers: Spring 2022 Loops

1) What type of loop is this?

int i = 0;
do
{
	printf("%d", i);
	i--;
} while(i > 0);

ANSWERS: Posttest, Do-While










2) What type of loop is this?

int i - 9;
while(i > 0)
{
	printf("%d", i);
	i--;
}

ANSWERS: Pretest, While








3) What does a loop need to avoid looping infinitely?

ANSWER: An update










4) When would you use a 'for' loop

ANSWER: If you know EXACTLY how many times it will loop








5) Which of the following is the ITERATOR?

int i = 0;
while(i > 0)
{
	printf("%d", i);
	i--;
}

ANSWER: int i









6) All loops need an update or break or else they will be infinite

ANSWER: True








7) Which of the following is the TEST CONDITION?

int i = 0;
while(i > 0)
{
	printf("%d", i);
	i--;
}

ANSWER: i > 0












8) 'for( ; ; )' is a legal loop and will end at some point.

ANSWER: False













9) Does 'break' work in a loop?

ANSWER: Yes









10) What is wrong with this loop?

int i;
for (i = 0; i < 10; i++); {
	printf("%d\n", i);
}

ANSWER: Extra Semi-Colon







11) This program is supposed to print 0 thorugh 10. WHERE is the error?

int i;
for ( i = 0; i > 10; i++ ) {
	printf("%d\n", i);
}

ANSWER: The condition i > 10.







12) What is wrong with this loop?

int i;
while (i < 10) {
	printf("%d\n", i);
}

ANSWER: Missing increment








13) What THREE things does ANY loop need to be complete?

An iterator variable, a test condition, and an increment (also known as an update).