Flowcharts and Algorithms

Question 1

Rectangle with rounded corners

Answer 1

Start/ end. Your flowcharts should include both.

Question 2

Arrow

Answer 2

Direction of flow

Question 3

Rectangle

Answer 3

Process/ instruction being carried out

Question 4

Diamond

Answer 4

Decision. Note that the question must result in yes/ no (true/ false) answers.

Question 5

Parallelogram which have sides with positive gradient

Answer 5

Input/ output

Question 6

What is sequence?

Answer 6

order of steps in an algorithm

Question 7

Why is sequencing so important?

Answer 7

Otherwise the algorithm will not work correctly

Question 8

What is iteration?

Answer 8

carrying out a set of instructions repeatedly

Question 9

Other names for iteration?

Answer 9

looping and repetition

Question 10

For loop vs While loop

Answer 10

Repeated a set number of times vs Until the condition is met

Question 11

Give an example of iteration

Answer 11

Take a sip of the soup until the bowl is clear.

Question 12

What is selection?

Answer 12

Make decisions so computers can do different things depending on what input they receive.

Question 13

Give an example of selection

Answer 13

Turn on the light if the room is too dark.

Question 14

What is a variable?

Answer 14

Named container for a piece of data

Question 15

Variable declaration vs assignment

Answer 15

Build the container and stick a label on it vs placing something in it