need dfd level

Please draw a CORRECT DFD level $0,1$ and $2$ and please do not use chatgpt I WANT DRAWING OF IT DRAWINGGG

for hospital management system

$($

admin

$,$

$$patient and doctor

$)$

$$DO NOT USE CHATGPT:

Things to mention:

Process

$1$

: User Authentication and Authorization

Purpose: Authenticate and authorize users

$($

Administrators

$,$

$$Doctors$,$ Patients

$)$

$.$

Inputs: Username and password.

Outputs: Access permissions and roles.

Interactions:

Users

$($

Administrator

$,$

$$Doctor$,$ Patient

$)$

$$provide login credentials.The system validates these credentials and assigns the corresponding access rights using the User Database.

Process

$2$

: Doctor Management

Purpose: Manage doctor profiles and availability information.

Inputs: Doctor profile data

$($

Name

$,$

$$Specialization$,$ Contact Information

$)$

$.$

Outputs: Updated doctor profiles and schedules.

Interactions:

Administrator can add

$/$

update

$/$

remove doctor profiles.Doctors can update their profiles and availability information.Data stored and retrieved from the Doctors Database.

Process

$3$

: Appointment Management

Purpose: Handle appointment requests and scheduling

$($

approve

$,$

$$reject$,$ modify

$)$

$.$

Inputs: Appointment requests

$($

Date

$,$

$$Time$,$ Doctor ID

$,$

$$Patient ID

$)$

$.$

Outputs: Appointment status

$($

Pending

$,$

$$Approved$,$ Rejected

$)$

$.$

Interactions:

Patients submit appointment requests.Doctors view appointment requests and approve or reject them.Information is stored in and retrieved from the Appointments Database.

Process

$4$

: Hospital Operations Management

Purpose: Streamline hospital administration, including monitoring operations and generating reports.

Inputs: Hospital data, Staff records, Patient statistics, Department info.

Outputs: Reports on appointments, department efficiency, and hospital operations.

Interactions:

Administrators access hospital operations data.Generate reports for hospital performance, doctor availability, and appointment statistics.Data is stored in and accessed from the Reports Database.

Process

$5$

: Patient Registration and Profile Management

Purpose: Register new patients and manage existing profiles.

Inputs: Patient information

$($

Name

$,$

$$Age$,$ Contact, Address

$)$

$.$

Outputs: Registered patient profiles, updated contact details.

Interactions:

Patients submit registration information.Information is stored in and managed through the Patients Database.