Flowol The Task. Objectives To gain an understanding of how the Flowol software works To gain an understanding of how the Flowol software works.

FlowolFlowol

The TaskThe Task

ObjectivesObjectives

To gain an understanding of how the To gain an understanding of how the Flowol software worksFlowol software works

ProgressionProgression

Learning the flowchart symbolsLearning the flowchart symbols Completing a flowchart diagramCompleting a flowchart diagram Testing this diagram in FlowolTesting this diagram in Flowol Matching flowcharts to scenariosMatching flowcharts to scenarios Simulating temperature controlSimulating temperature control Using procedures to build an efficient Using procedures to build an efficient

programprogram

START

IS IT WORKING?

STOPSMILE!

YES

DID YOU MESSWITH IT?

NO

NO

HIDE IT

TURN ITOFF

YES

Problem Resolution

Flowchart symbolsFlowchart symbolsStart or stop

Subroutine

Decision

Input or output

Process

START

IS IT WORKING?

STOPSMILE!

YES

DID YOU MESSWITH IT?

NO

NO TURN ITOFF

YES

Problem Resolution

HIDE IT

HIDE IT

Problem SubroutineSub 1(Hide It)

OPEN CUPBOARD

TURN LIGHT ON

CHUCK IT IN

TURN LIGHT OFF

CLOSE CUPBOARD

STOP

A Simple StartA Simple Start

STARTTURN

OUTPUT 1ON

STOP

A Simple StartA Simple Start

STARTTURN

OUTPUT 1ON

TURNOUTPUT 1

OFFSTOP

A Simple StartA Simple Start

START

TURNOUTPUT 1

ON

DELAY 1TURN

OUTPUT 1OFF

DELAY 1

Planning Planning FlowchartsFlowcharts

Start

Is light less than 50? Turn lamp on

Yes

No

Lesson 3 – Activity 2

Planning Planning FlowchartsFlowcharts

Start

Is light less than 50? Turn lamp on

Yes

No

Turn lamp off

Lesson 3 – Activity 2

Planning Planning FlowchartsFlowcharts

Start

Is light less than 50? Turn lamp on

Yes

No

Turn lamp off

Beep

Lesson 3 – Activity 2

Putting Our Plan Into FlowolPutting Our Plan Into Flowol

The MimicThe Mimic

Light LevelLamp

Simulating Temperature Simulating Temperature ControlControl

Room Room temperaturetemperature Electric fireElectric fire Cooling fanCooling fan

Too cold (<10)Too cold (<10) ONON OFFOFF

Just right(10<>20)Just right(10<>20) OFFOFF OFFOFF

Too hot(>20)Too hot(>20) OFFOFF ONON

Matching a Flowchart to a Matching a Flowchart to a ScenarioScenario

When the When the temperaturetemperature in the house drops in the house drops below 10 degrees C, below 10 degrees C, turn on the turn on the firefire, if it , if it goes above, turn it off.goes above, turn it off.

When the When the temperaturetemperature in the house rises in the house rises above 20 degrees C, above 20 degrees C, turn on the turn on the fanfan, if it , if it goes below, turn it off.goes below, turn it off.

Electric Fire / Cooling FanElectric Fire / Cooling Fan

Using procedures to build an Using procedures to build an efficient programefficient program

Design a system to help a person with Design a system to help a person with impaired hearing in his or her own home.impaired hearing in his or her own home.

Consider how you can make sure that the Consider how you can make sure that the person knows that:person knows that:•• someone has rung the door bell;someone has rung the door bell;

•• the smoke alarm is sounding.the smoke alarm is sounding. How will the person know the difference How will the person know the difference

between these two sounds?between these two sounds?

Devise a control program that will use the light bulb to differentiate between the smoke alarm and the doorbell, using subroutines to increase efficiency.

The Main TaskThe Main Task

ObjectivesObjectives

To gain an understanding of how the To gain an understanding of how the Flowol software worksFlowol software works