Pert. 15. Review Diagram Diagram
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f. Pohon dan Tabel Keputusan
•
Teknik yang menggambarkan logika seperti
sebuah pilihan ganda atau suatu kumpulan kondisi
yang rumit.
COUNTRY
CUSTOMER
TYPE
CUSTOMER
ANNUAL
PURCHASES
ORDER
SIZE
< 50
< 1000000
50-500
> 500
A
< 50
> 1000000
AUSTRALIA
USA
CANADA
EUROPE
HONGKONG
50-500
> 500
< 400
< 500000
400
B
< 400
> 500000
400
< 50
50-500
JAPAN
500-2000
> 2000
< 500
< 200000
500
ELSEWHERE
< 500
> 200000
500
DIFFERENT
AT EACH
BRANCH
DIFFERENT
AT EACH
BRANCH
DIFFERENT
AT EACH
BRANCH
CUSTOMER
MAXIMUM
OUTSTANDING
INVOICE
ORDER
DISCOUNT
PERCENTAGE
3
0
3
4
3
3
3
3
8
7
3
12
3
3
3
3
8
6
3
11
3
9
3
3
14
0
3
4
3
3
3
3
8
3
5
0
3
5
3
3
10
0
3
1
3
1
3
3
2
2
3
4
3
4
3
3
6
0
3
3
3
3
3
3
1
6
3
4
3
4
3
8
SAME AT
EACH
BRANCH
Pert. 15. Review Diagram Diagram
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g. Diagram 'State Transition' (perubahan status)
Menyajikan logika yang rumit karena
melibatkan berbagai kemungkinan perubahan dari
suatu keadaan.
READY
DTE indicates
CALL REQUEST
DCE indicates
INCOMING CALL
DATE
WAITING
DCE
WAITING
DCE indicates
INCOMING CALL
DCE indicates
CALL CONNECTED
DCE indicates
CALL
ACCEPTED
CALL
COLLISION
DCE indicates
CALL CONNECTED
DATA
TRANSFER
DTE indicates
CALL ACCEPTED
Pert. 15. Review Diagram Diagram
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h. Diagram Dialog
Hampir mirip dengan diagram di atas. Tetapi
statusnya adalah menunjukkan panel dialog atau
tampilan layar.
Initial Menu Screen
STANDAR ORDER
Standar Order Screen
SPECIAL ORDER
IF PART# CORRECTED
Special Order Screen
CANCELLATION
Cancellation Screen
IF NEW CUSTOMER
New Customer Entry Screen
IF NEW CUSTOMER
IF INVALID PART#
Part # Error Screen
Pert. 15. Review Diagram Diagram
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Diagram utama yang digunakan untuk menggambarkan
data antara lain:
i.
Diagram Relasi Entitas (ERD)
Digunakan untuk mendokumentasikan entitas dan
keterkaitan antar mereka. Diagram entitas tingkat
atas biasanya sangat disukai oleh pucuk pimpinan.
PRODUCT
MATERIAL
MATERIAL
USAGE
CATALOG
REFERENCE
PRODUCT
VARIANT
QUALITY
INSPECTION
PRODUCT
INVENTORY
MATERIAL
INVENTORY
WAREHOUSE
WAREHOUSE
BIN
Each A is associated with one and only one B :
A
B
Each A is associated with zero or one B :
A
B
Each A is associated with one or more B's :
A
B
Each A is associated with zero, one or more B 's:
A
B
Each A is associated with more than one B :
A
B
Pert. 15. Review Diagram Diagram
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j. Diagram Struktur Data
Diagram ini hampir sama dengan diagram yang diatas
tetapi lebih menggambarkan rincian strukturnya.
SECONDARY INDEX
PLAYER #
TEAM
GAME
GAME +
PLAYER
PLAYER
POSITIONCAN-PLAY
TEAM +
GAME
COACH
POSITION
PLAYED
PLAY
DETAILS
Pert. 15. Review Diagram Diagram
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Tipe-tipe Diagram Yang Digunakan Pada Setiap Tahap
Rekayasa Sistem Informasi
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
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Data Subjects
Entity-Relationship Diagram
Strategy


Fully Normalized Data Model
Data Descriptions
Analysis

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Organization Chart
Functionn Decompositon
Hierarchy of Goals and Critical
Success Factors
Function Dependency Diagram
Matrices Showing Relations
Among Planning Information

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Process Decomposition Diagram
Process Dependency Model
Process/Entity Matrix
Process Life-Cycle Diagram
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Data Structure Diagram
Data Descriptions
Design

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Data Navigation Diagram
Data-Flow Diagram
Action Diagram
Decision Tree
Dialog Design
Screen Layout
Report Layout
Prototypes

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Program View of
Data
Data Description
Code
Construction
Data
o
tructi
Cons
n
Action Diagram with Co
Code Generation
Prototypes
Pert. 15. Review Diagram Diagram
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Prinsip-Prinsip Pembuatan Diagram
Analis, Perancang, Pemrogram dan end-user harus
memakai seperangkat teknik pembuatan diagram
yang standar untuk membantu mengungkapkan
gagasan cemerlang dan mengurangi adanya
perbedaan sudut pandang baik dari pihak Analist,
Perancang, maupun Pemrogram.