Data Flow Diagram

Data flow for a particular user viewing the Calendar

1. The user opens the Google Calendar app on their device.

2. The device sends an HTTP request to the Google server to authenticate the user and establish a secure connection.

3. The Google server verifies the user’s credentials and sends an HTTP response to the user’s device.

4. The device sends an HTTP request to the Google server to retrieve the user’s calendar data.

5. The Google server retrieves the user’s calendar data from the Google Calendar database.

6. The device displays the calendar data to the user through an interface.

7. The user interacts with the calendar by adding, modifying, or deleting events or changing settings.

8. The Google server processes the requests and updates the user’s calendar data in the Google Calendar database.

data flow diagram of the entire system

1. The user creates an event in their Google Calendar by providing event details such as the event name, date, time, and location.

2. The event data is stored in the user’s Google Calendar account, which is hosted on Google’s servers.

3. User invites attendees: If the event has attendees, the user can send out invitations to those attendees using their email addresses or by sharing a link to the event.

4. Attendees respond to the invitation: The attendees receive the invitation and can choose to accept, decline, or tentatively accept the invitation. Their responses are recorded in the event data.

5. Event reminders: If the user has set reminders for the event, these reminders are triggered at the appropriate times, based on the user’s preferences.

6. Event notifications: If the user has set notifications for the event, these notifications are sent to the user’s devices at the appropriate times, based on the user’s preferences.

7. Event updates: If the user makes changes to the event, such as changing the date or time, these updates are synchronized across all devices and attendees are notified of the changes.

8. Event deletion: If the user deletes the event, it is removed from their Google Calendar account and attendees are notified that the event has been canceled.            

Google Calendar is like a special calendar that we can use on our computer or phone. We can use it to remember important things, like birthdays, appointments, and events. We can also set reminders to help us remember when something is coming up soon. We can also share our calendars with our family or friends. It’s like having our own special schedule that helps us keep track of everything that we need to do.

With Google Calendar, we can quickly schedule meetings and events and get reminders about upcoming activities, so we always know what’s next.