Algorithm and Flowchart (Control System)

Algorithm & Flowchart

Control system (input, process, decision, or output)

Multiple Choice

Traffic Light Control System

The control system decides which traffic light (red, yellow, or green) to turn on based on the input from the sensor.

• Input

• Process

• Decision

• Output

Multiple Choice

Traffic Light Control System

The traffic lights change color.

• Input

• Process

• Decision

• Output

Multiple Choice

Traffic Light Control System

Traffic sensor detects the presence of vehicles.

• Input

• Process

• Decision

• Output

Multiple Choice

Traffic Light Control System

If there are many cars on one side of the intersection, the system will decide to keep the green light on for a longer duration.

• Input

• Process

• Decision

• Output

Multiple Choice

Automatic Door Control System

If a person is detected, the system decides to open the door.

• Input

• Process

• Decision

• Output

Multiple Choice

Automatic Door Control System

The door opens automatically.

• Input

• Process

• Decision

• Output

Multiple Choice

Automatic Door Control System

Motion sensor detects a person approaching.

• Input

• Process

• Decision

• Output

Multiple Choice

Automatic Door Control System

The information from the sensor is processed by the control system.

• Input

• Process

• Decision

• Output

Multiple Choice

Printer Control System

Printer receives data and prepares for printing

• Input

• Process

• Decision

• Output

Multiple Choice

Printer Control System

Printer decides how many pages to print based on document length

• Input

• Process

• Decision

• Output

Multiple Choice

Printer Control System

Document is printed.

• Input

• Process

• Decision

• Output

Multiple Choice

Printer Control System

User sends a document for printing.

• Input

• Process

• Decision

• Output

Multiple Choice

Coffee Maker Control System

User selects type of coffee and presses start button.

• Input

• Process

• Decision

• Output

Multiple Choice

Coffee Maker Control System

Depending on user selection, coffee maker decides how much water and coffee beans to use.

• Input

• Process

• Decision

• Output

Multiple Choice

Coffee Maker Control System

Coffee maker heats water and grinds coffee beans.

• Input

• Process

• Decision

• Output

Multiple Choice

Coffee Maker Control System

Coffee is made according to user’s preference.

• Input

• Process

• Decision

• Output

Multiple Choice

GPS Navigation Control System

The control system checks the input from the user and calculates a route from the current location to the destination.

• Input

• Process

• Decision

• Output

Multiple Choice

GPS Navigation Control System

The user key in a destination into the GPS device.

• Input

• Process

• Decision

• Output

Multiple Choice

GPS Navigation Control System

The system decides which route to take based on factors like distance, traffic, etc.

• Input

• Process

• Decision

• Output

Multiple Choice

GPS Navigation Control System

Directions are given to the user.

• Input

• Process

• Decision

• Output

Today's lesson objective:

You will learn how to:
- create loops
- create subroutines

Loops

Subroutines

Subroutines

Let's try this:

Create a flowchart to control the fire alarm system using loop and subroutines.loops

Challenge