‘%J%wU~~‘~::EIPI ( The System Life Cycle ) ,

CT 479 19

1 . &1&&“~%~&91u (Tools)

2 . 5@lt$Ll (Supplies)

3 . LFl?E~~~fl”ns (Machine)

4. fl5~IJ~Ufll5~~fll3 (Procedure or Management)

5 . ynains (People)

20 CT 479

5. fIl+h~¶J¶J ( Construction )

6. fll3dCN~%¶JIl ( Conversion )

CT 479 21

Abort

Return

Begin Bulldlng a New System

Feasiblllty Study Autorlratlon

Analysis

4

TDestgn Speciflcatlon

5

T

Coded and Test system j ConstructIon j

System In Operation ( lmplementatlon and Maintenance 1

22 CT 479

CT 479 23

2 4 CT 479

Y

%H~OM?I 3 : fd%$l~lShJU (Analysis)

CT 479 25

26 CT 479

Phase Name : fll5%Fl~lZI-f ( Analysis )

Major Function : 8"al~~~,s",su~Js9~~~~~~~~1~~~~~~~~

output : 4lUEW~U~~D~~~~l ( Problem Specification. )

Principal Tools : 4’J¶J4’X&O1~00~9 ( Fact-Gathering Technique )

WIlUl~tl~IJ~Fl~Cl ( Data Dictionary )

~~fl3ZttZf~0\El ( Data Flow Diagrams )

~XJfll5dltGU~lU ( Process Specifications )

~X~PIIl~laiWh$l (Data Mod&)

~'JUIlY~lMl~sj~ULl (System Models)

JUUUU ( Prototyping )

gS?ZUU ( System Flowcharts )

~~tt33~~3JaB8; ( Warnier-Orr Diagrams )

CT 479 27

28 CT 479

C T 4 7 9 29

9EPIP100MW ( On-screen “help” Facilities )

30 CT 479

CT 479 31

32 CT 479

~3Mlil s3l¶Jhi

( Old System ) i New System I

CT 479 33

7ZWJ6fil ( Old System ) XXIPI%~~ ( New System )

TW?J%M~ ( New System )

34 CT 479

CT 479 35

36 CT 479

CT 479 3 7

3 8 CT 479

CT 479 39