Tugas + Pembahasan
SI Pariwisata
Dibutuhkan sebuah perangkat lunak yang dapat digunakan
oleh setiap turis/calon turis untuk mendapatkan berbagai
informasi serta melakukan beberapa transaksi on-line.
(aplikasi berbasis web).
Informasi yang harus didapat setiap turis adalah :
• Informasi tempat wisata, hotel, alat transportasi, dan RS di
Bandung
• Perangkat lunak yang harus menyediakan sarana bagi turis
untuk melakukan pemesanan hotel dan penyewaan mobil
kesistem lain. (mis. SI hotel dan SI rental).
• Informasi yang dikelola perangkat lunak ini dikelola oleh
seorang admin sehingga info tersebut selalu up date.
DCD
DFD
Chinese Takeaway
• The order is taken on a carbon pad, the cost is
calculated from the menu, the order is
checked with the customer, if OK the order is
stuck on a pin-board. When the food is ready,
the order becomes the delivery note for the
driver. At the close of business, carbons are
used to update accounts and then dumped
along with the delivery notes. Management
information is passed to the manager.
1
Meal and
Customer details
Record
Order
Meal and
Customer details
D1
Carbon pad
D2
Menu
D3
Pin 1
Look up meal
Customer
Price of meal
2
Record prices
Calculate
Order
New price
Look up prices
Details
3
Re-check
Order
Signature
Manager
Prices
Carbon
details
*second copy goes on Pin2
as a backup
4
Deliver
Order
Daily sales
Current System
D4
Delivery Sheet
D5
Account Book
D6
Pin2
D7
Waste Bin
Retrieve
carbon
5
Calculate
All Orders
Fast Food Delivery System
Name, ticket no.and price
Meal total
Retrieve delivery sheet
6
Delete
All Orders
Level 1 DFD
Dump carbon
7
Delete
Delivery Sheet
Dump delivery
sheet
Current System – Level 2
Customer
1
Process 1 – Record Order Details
1.1
Record
Meal Details
4
3
2
D1
Carbon Pad
4
1.2
Record
Customer Details
D2
Menu
Fast Food Delivery System
Current System
Level 2 DFD
Notes:
Customer gives meal details (1) and prices are looked up (2) in the
menu before being added (3) to the carbon pad. Customer details
such as address etc. are then added (4) to the carbon pad.
Current System – Level 3
Process 1.1 – Record Meal Details
1.1.1
Customer
Add New Meal
to Order
D1
Carbon Pad
D2
Menu
D6
Waste Bin
1
1
1
1.1.2
2
Amend Order
Meal Details
1
1.1.3
Fast Food Delivery System
Current System
Level 3 DFD
Delete
Order
2
Notes:
During a call the customer can simply add meals to her or his order
which go straight onto the carbon pad. However, they could also change
their mind (1) in which case new prices need to be looked up and the
original carbon entry changed. They may even want to cancel the order
(2). Level 2 UNCHANGED data flows are shown in blue
Current System – Level 3
Customer
Details
Customer
Process 1.2 – Record Customer Details
1.2.1
Add New
Customer Details
D1
Carbon Pad
Changes to
Customer Details
1.2.2
Amend
Customer Details
Fast Food Delivery System
Current System
Level 3 DFD
Notes:
During a call the customer’s details – name, address etc. are added to
the carbon pad. However, during the call it may be necessary to amend
their details (for example, if the telephone operator has misheard the
original details. Level 2 UNCHANGED data flows are shown in blue
Current System – Level 2
Meal
Details
Customer
Process 2 – Calculate Order Value
2.1
Record Meal
Prices
D1
Prices
Total cost
Of meal
Carbon Pad
All
Prices
2.2
Calculate Order
Value
Fast Food Delivery System
Current System
Level 2 DFD
D2
Menu
Notes:
During a call individual meal prices are looked up in the menu and
added to the carbon pad. On completion of an order the prices of all
ordered meals, on the pad, are added together to give the total cost of
the meal. This is then relayed to the customer.
Current System – Level 2
Customer
Process 3 – Re-check Order
Meal
Details
3.1
Amend Meal
Details
D1
Carbon Pad
D2
Menu
Customer
Details
3.2
New Price
of Order
Amend Customer
Details
3.3
Fast Food Delivery System
Current System
Level 2 DFD
Recalculate
Order
Notes:
After an order is complete the customer may ring up to check they have
given the correct details or to amend an order (forgotten the prawn
crackers!) In this case details on the carbon pad are checked and
amended as necessary before the customer is given the new price of
the order.
Current System – Level 3
Customer
Process 3.1 – Amend Meal Details
3.1.1
New Meal
Details
Add New Meal
to Order
D1
Carbon Pad
D2
Menu
D7
Waste Bin
Changes to
Ordered Meals
3.1.2
Customer and
Order Details
Amend Order
Meal Details
3.1.3
Fast Food Delivery System
Current System
Level 3 DFD
Delete
Order
Notes:
After an order has been taken the customer may telephone to amend
order details. She could ask to add new meals or amend meals and
prices will have to be looked up in the menu. Or, she can cancel the
order in which case it is consigned to the waste bin.
Current System – Level 2
Process 4 – Deliver Order
4.1
Customer
Complete
Delivery Sheet
D3
Pin1
Customer
Signature
4.2
Obtain Customer
Signature
Fast Food Delivery System
Current System
Level 2 DFD
D4
Delivery Sheet
Notes:
When the order is ready for delivery the carbon on Pin1 is used to
complete the drivers delivery sheet – customer details, cost of order. On
delivery of the order the customer is asked to sign the delivery sheet.
Current System – Level 2
Process 5 – Calculate All Orders
D3
Manager
Total
Sales
5.1
Pin1
Order
Values
Calculate
All Orders
Total sales
D5
Fast Food Delivery System
Current System
Level 1 DFD
Account Book
Notes:
At the close of business all orders that have been taken during the day
(carbons) are taken from Pin 1 and the total value of daily business is
calculated manually (using a calculator) by the Accounts person. This
information is passed onto the restaurant manager.
Current System – Level 2
Process 6 – Delete All Orders
6.1
Delete Original
Copies
D3
Pin 1
D6
Pin 2
D7
Waste Bin
6.2
Delete Duplicate
Copies
Fast Food Delivery System
Current System
Level 2 DFD
Notes:
At the close of business all original and duplicate copies of orders
(carbons) are removed from the pins and disposed of.