Unit 5 data flow diagram creation

 

Unit Outcomes:

  • Discover a variety of diagrams relating to systems analysis.
  • Describe logical process models.
  • Create Data Flow Diagrams.

Course Outcome:

IT460–3: Create logical models that describe system processes.

Assignment Instructions

Avery has opened a gym and rehabilitation center specifically designed to provide training and recovery for service members who may have been injured while on duty. New members are provided a free fitness assessment to help determine their current fitness levels and to ascertain the extent of any injury to help onboard them into the program.

Avery has designed a basic system to help onboard these new gym members. When members are seen for the first time, they complete a simple gym membership form that asks for their name, address, phone number, and brief medical history, which are stored in the gym member file. They are also asked to schedule a Fitness Assessment.

Therapists or trainers must check the assessment calendar file for an available time. Members may also call to change their assessments. Because these assessments are scheduled in advance, Avery usually sends a reminder postcard and text message to each member one week before the appointment.

Assignment Requirements

Use Visio to Construct a Level 1 DFD based on the attached use cases. Each use case corresponds to a process in the Gym System. Use Gane and Sarson symbols. All the information can be analyzed from the Use Cases. Some of the Information is provided below. You will have to determine and label all the Data Flows in the DFD.

Entity: Gym Member

Processes:

  • Schedule (or change) a Fitness Assessment
  • Collect Membership Information
  • Send Reminder and text message

Data Files:

  • Calendar File
  • Gym Member File
  • Data Flows:

 

IT460: Unit 5 Assignment Data Flow Diagrams

Use Case Name: Gym Member makes or changes a fitness assessment

ID: _1_

Importance Level: High

Primary Actor: Gym Member

Short Description: This describes how a new fitness assessment is made or an existing fitness assessment is changed.

Trigger: Gym Member calls to schedule new fitness assessment or change an existing fitness assessment.

Type: External/Temporal

Major Inputs:

Major Outputs:

Description

Source

Description

Destination

Gym Member name

Gym Member

Scheduled fitness assessment

Gym Member

Desired fitness assessment

Gym Member

Scheduled fitness assessment

Calendar file

Fitness assessment to change

Gym Member

Available fitness assessments

Gym Member

Available fitness assessments

Calendar file

Check Gym Member name

Gym Member file

Existing Gym Members

Gym Member file

Major Steps Performed

  1. Get Gym Member’s name. Check Gym Member name with Gym Member file.
  2. If new Gym Member, get address and phone number and enter in new Gym Member file entry.
  3. If this is a fitness assessment change, find current fitness assessment in fitness assessment file, and cancel it.
  4. Get desired fitness assessment time and match with available fitness assessments in Calendar File. When a suitable time is found, enter scheduled fitness assessment in the Calendar file and confirm with Gym Member.

Information for Steps

Gym Member name

Gym Member File

Address

Phone number

New Gym Member information

Fitness assessment to change

Existing Fitness assessments

Desired fitness assessment

Available fitness assessments

Scheduled fitness assessments

Use Case Name: Collect new Gym Member information

ID: _2_

Importance Level: High

Primary Actor: New Gym Member

Short Description: This describes how new Gym Member information is collected when a new Gym Member arrives for fitness assessment.

Trigger: New Gym Member arrives for fitness assessment.

Type: External/Temporal

Major Inputs:

Major Outputs:

Description

Source

Description

Destination

New Gym Member information

Gym Member Information

Gym Member file

(Includes name, address,

Gym Member

phone number)

Injury History

Gym Member

Major Steps Performed

  1. When the Gym Member arrives, determine if he/she has been seen before in this gym. If they have not, have them fill out a Gym Member information form.
  2. Use the information on the Gym Member information form to update and complete the Gym Member’s entry in the Gym Member file.

Information for Steps

Gym Member status

Gym Member name

Address

Phone number

Injury history

Use Case Name: Send fitness assessment reminder card and text message

ID: _3_

Importance Level: Medium

Primary Actor: System

Short Description: This describes how reminder cards and text message sent to Gym Members one week prior to fitness assessment.

Trigger: Time to send reminders and text message one week before scheduled fitness assessments.

Type: External/Temporal

Major Inputs:

Major Outputs:

Description

Source

Description

Destination

Current date

Calendar

Fitness assessment notification card

Gym Member

Scheduled fitness assessments

Calendar file

Text message

Gym Member

Gym Member Contact Info

Gym Member file

Major Steps Performed

  1. Each day find the fitness assessments in the Calendar file for the day week.
  2. Prepare fitness assessment notification card and text message to all Gym Members having fitness assessments.

Information for Steps

Current date

Scheduled fitness assessments

Name

Address

Fitness assessment

Fitness assessment notification card

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