All the flow charts we will be looking at begin|
with a Start Point and finish with an End
Point. These look like this on the chart :
Most of the boxes on a flow chart are instructions,|
which tell you what to do next. These appear in
rectangular boxes like the one shown on the right:
Sometimes a question needs to be answered to decide|
what instruction should happen next. These questions
are put in decision boxes like the one on the right:
Flow Chart Example 1We will now draw a flow chart for having a bath.
We start by thinking about the steps involved:
Now we need to draw the chart with instruction boxes.
The final chart is shown on the right. Of course some
Flow Chart Example 2The step Fill the bath with water in the previous example
could have been more detailed. For example, you need to
check if there is enough water and whether it is at the right
temperature while running the bath.
Again we need to think about the steps involved:
Now we need to draw the chart. This time we need to
The final chart is shown on the right.
In each one you will be given several operations to choose from and a flow chart to fill in. When you have finished, click on the button to find out whether you have answered correctly. If your answer is completely right then will appear and you should move on to the next question. If appears then part of your answer is wrong. Click on to have another go. If you can't work out the right answer then click on to see the answer.