LOGICAL DATA FLOW DIAGRAM EXAMPLE, Cheat Sheet of System Analysis and Design

SHOULD HELP WITH FOLLOWING UP.

Typology: Cheat Sheet

2024/2025

Uploaded on 02/04/2025

daniel-solomon-2
daniel-solomon-2 🇳🇬

1 document

1 / 4

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Comprehensive Breakdown of the Logical Data Flow
Diagram (LDFD)
This document provides an exhaustive description of the Logical Data Flow
Diagram (LDFD) as outlined in the uploaded file. Every component, process,
and data flow is detailed with precise explanations.
1. Entities (External Agents)
Entities represent external actors interacting with the system.
1.1 Student
The primary initiator of the enrollment process.
Provides required information to Tutorial Centre Management.
Submits Filled Enrollment Form and Payment Proof.
Receives a Payment Receipt and Notification regarding enrollment
status.
1.2 Tutorial Centre Management
The central system administrator responsible for processing
student enrollments.
Verifies payment status and processes Enrollment Verification
Document.
Grants Access Approval based on successful enrollment.
Maintains Enrollment and Financial Records.
Archives outdated data into the Archives.
1.3 Archives
Stores Old Enrollment Records and Old Financial Records.
Maintains Archived Records for reference and compliance.
Ensures proper record retention policies.
pf3
pf4

Partial preview of the text

Download LOGICAL DATA FLOW DIAGRAM EXAMPLE and more Cheat Sheet System Analysis and Design in PDF only on Docsity!

Comprehensive Breakdown of the Logical Data Flow

Diagram (LDFD)

This document provides an exhaustive description of the Logical Data Flow Diagram (LDFD) as outlined in the uploaded file. Every component, process, and data flow is detailed with precise explanations.

1. Entities (External Agents)

Entities represent external actors interacting with the system.

1.1 Student

 The primary initiator of the enrollment process.  Provides required information to Tutorial Centre Management.  Submits Filled Enrollment Form and Payment Proof.  Receives a Payment Receipt and Notification regarding enrollment status.

1.2 Tutorial Centre Management

 The central system administrator responsible for processing student enrollments.  Verifies payment status and processes Enrollment Verification Document.  Grants Access Approval based on successful enrollment.  Maintains Enrollment and Financial Records.  Archives outdated data into the Archives.

1.3 Archives

 Stores Old Enrollment Records and Old Financial Records.  Maintains Archived Records for reference and compliance.  Ensures proper record retention policies.

2. Processes

2.1 Enrollment Form Review (Process 1.0)

 Accepts Filled Enrollment Form from the Student.  Reviews form for completeness and accuracy.  If valid, generates an Enrollment Verification Document.  Sends data to Recording Enrollment Data (Process 2.0).

2.2 Recording Enrollment Data (Process 2.0)

 Receives Enrollment Verification Document from Process 1..  Logs student details in Enrollment Records.  Generates Validated Enrollment Data.  Sends Enrollment & Payment Records to Access Verification (Process 5.0).  Updates Enrollment/Financial Records.

2.3 Verify Payment (Process 3.0)

 Accepts Payment Proof from the Student.  Cross-checks payment details with Financial Records.  If valid, generates a Validated Payment Record.  Sends payment status updates to Payment Transaction Logging (Process 4.0).  Provides input for Access Verification (Process 5.0).

2.4 Payment Transaction Logging (Process 4.0)

 Logs Validated Payment Record from Process 3..  Updates Enrollment & Payment Records.  Sends financial status updates to Reconciliation (Process 7.0).  Provides data for compliance in Record and Archiving Compliance (Process 6.0).

2.5 Access Verification (Process 5.0)

 Receives Validated Enrollment Data from Process 2..  Receives Enrollment & Payment Records from Process 4..

Enrollment & Payment Records → Shared between Process 4.0, Process 5.0, and Process 7..  Payment Record & Enrollment Record → Sent to Reconciliation (Process 7.0).  Outdated Records → Sent to Record and Archiving Compliance (Process 6.0).

3.3 Data Sent to Student

Payment Receipt → Issued after payment validation.  Notification → Sent after Access Verification (Process 5.0) with final enrollment status.

4. Data Stores

Enrollment Record → Stores student enrollment details.  Payment Record → Stores student payment transactions.  Enrollment & Financial Records → Maintains combined enrollment and payment history.  Archived Records → Contains old enrollment and financial records for compliance.  Outdated Records → Temporary storage before final archiving.

Final Summary

  1. The Student submits Filled Enrollment Form and Payment Proof.
  2. Tutorial Centre Management processes enrollment verification and payment validation.
  3. If verified, the system updates Enrollment & Payment Records.
  4. Access Verification determines whether the student is granted access.
  5. The student receives a Notification confirming or denying access.
  6. Reconciliation ensures consistency in financial and enrollment records.
  7. Record and Archiving Compliance transfers outdated data to Archives for retention. This is the complete, fully detailed description of your Logical Data Flow Diagram (LDFD). Let me know if you need it visualized or further refined! 🚀