<s>
In	O
systems	O
engineering	O
,	O
information	O
systems	O
and	O
software	B-General_Concept
engineering	I-General_Concept
,	O
the	O
systems	B-General_Concept
development	I-General_Concept
life	I-General_Concept
cycle	I-General_Concept
(	O
SDLC	O
)	O
,	O
also	O
referred	O
to	O
as	O
the	O
application	B-General_Concept
development	I-General_Concept
life	I-General_Concept
cycle	I-General_Concept
,	O
is	O
a	O
process	O
for	O
planning	O
,	O
creating	O
,	O
testing	O
,	O
and	O
deploying	O
an	O
information	O
system	O
.	O
</s>
<s>
A	O
systems	B-General_Concept
development	I-General_Concept
life	I-General_Concept
cycle	I-General_Concept
is	O
composed	O
of	O
distinct	O
work	O
phases	O
that	O
are	O
used	O
by	O
systems	O
engineers	O
and	O
systems	O
developers	O
to	O
deliver	O
information	O
systems	O
.	O
</s>
<s>
SDLC	O
methodologies	O
fit	O
within	O
a	O
flexibility	O
spectrum	O
ranging	O
from	O
agile	O
to	O
iterative	B-Algorithm
to	O
sequential	O
.	O
</s>
<s>
Iterative	B-Algorithm
methodologies	O
,	O
such	O
as	O
Rational	B-Application
Unified	I-Application
Process	I-Application
and	O
dynamic	O
systems	O
development	O
method	O
,	O
focus	O
on	O
stabilizing	O
project	O
scope	O
and	O
iteratively	O
expanding	O
or	O
improving	O
products	O
.	O
</s>
<s>
Anamorphic	O
development	O
is	O
guided	O
by	O
project	O
scope	O
and	O
adaptive	O
iterations	B-Algorithm
.	O
</s>
<s>
According	O
to	O
Taylor	O
(	O
2004	O
)	O
,	O
"	O
the	O
project	O
life	O
cycle	O
encompasses	O
all	O
the	O
activities	O
of	O
the	O
project	O
,	O
while	O
the	O
systems	B-General_Concept
development	I-General_Concept
life	I-General_Concept
cycle	I-General_Concept
focuses	O
on	O
realizing	O
the	O
product	O
requirements	O
"	O
.	O
</s>
<s>
Information	O
systems	O
activities	O
revolved	O
around	O
heavy	O
data	B-General_Concept
processing	I-General_Concept
and	O
number	O
crunching	O
routines	O
"	O
.	O
</s>
<s>
At	O
this	O
step	O
,	O
desired	O
features	O
and	O
operations	O
are	O
detailed	O
,	O
including	O
screen	O
layouts	O
,	O
business	O
rules	O
,	O
process	O
diagrams	O
,	O
pseudocode	B-Language
,	O
and	O
other	O
deliverables	O
.	O
</s>
<s>
Object-oriented	B-Application
analysis	I-Application
and	I-Application
design	I-Application
(	O
OOAD	B-Application
)	O
is	O
the	O
process	O
of	O
analyzing	O
a	O
problem	O
domain	O
to	O
develop	O
a	O
conceptual	B-Application
model	I-Application
that	O
can	O
then	O
be	O
used	O
to	O
guide	O
development	O
.	O
</s>
<s>
The	O
conceptual	B-Application
model	I-Application
that	O
results	O
from	O
OOAD	B-Application
typically	O
consists	O
of	O
use	B-Architecture
cases	I-Architecture
,	O
and	O
class	O
and	O
interaction	O
diagrams	O
.	O
</s>
<s>
It	O
may	O
also	O
include	O
a	O
user	B-Application
interface	I-Application
mock-up	O
.	O
</s>
<s>
An	O
output	O
artifact	O
does	O
not	O
need	O
to	O
be	O
completely	O
defined	O
to	O
serve	O
as	O
input	O
of	O
object-oriented	B-Language
design	O
;	O
analysis	O
and	O
design	O
may	O
occur	O
in	O
parallel	O
.	O
</s>
<s>
In	O
practice	O
the	O
results	O
of	O
one	O
activity	O
can	O
feed	O
the	O
other	O
in	O
an	O
iterative	B-Algorithm
process	O
.	O
</s>
<s>
Some	O
typical	O
input	O
artifacts	O
for	O
OOAD	B-Application
:	O
</s>
<s>
Conceptual	B-Application
model	I-Application
:	O
A	O
conceptual	B-Application
model	I-Application
is	O
the	O
result	O
of	O
object-oriented	B-Language
analysis	O
.	O
</s>
<s>
The	O
conceptual	B-Application
model	I-Application
is	O
explicitly	O
independent	O
of	O
implementation	O
details	O
.	O
</s>
<s>
Use	B-Architecture
cases	I-Architecture
:	O
A	O
use	B-Architecture
case	I-Architecture
is	O
a	O
description	O
of	O
sequences	O
of	O
events	O
that	O
,	O
taken	O
together	O
,	O
complete	O
a	O
required	O
task	O
.	O
</s>
<s>
Each	O
use	B-Architecture
case	I-Architecture
provides	O
scenarios	O
that	O
convey	O
how	O
the	O
system	O
should	O
interact	O
with	O
actors	O
(	O
users	O
)	O
.	O
</s>
<s>
Use	B-Architecture
cases	I-Architecture
may	O
further	O
elaborated	O
using	O
diagrams	O
.	O
</s>
<s>
System	O
Sequence	O
Diagram	O
:	O
A	O
System	O
Sequence	O
diagrams	O
(	O
SSD	O
)	O
is	O
a	O
picture	O
that	O
shows	O
,	O
for	O
a	O
particular	O
use	B-Architecture
case	I-Architecture
,	O
the	O
events	O
that	O
actors	O
generate	O
,	O
their	O
order	O
,	O
including	O
inter-system	O
events	O
.	O
</s>
<s>
User	B-Application
interface	I-Application
document	O
:	O
Document	O
that	O
shows	O
and	O
describes	O
the	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
Data	B-Application
model	I-Application
:	O
A	O
data	B-Application
model	I-Application
describes	O
how	O
data	O
elements	O
relate	O
to	O
each	O
other	O
.	O
</s>
<s>
The	O
data	B-Application
model	I-Application
is	O
created	O
before	O
the	O
design	O
phase	O
.	O
</s>
<s>
Object-oriented	B-Language
designs	O
map	O
directly	O
from	O
the	O
data	B-Application
model	I-Application
.	O
</s>
<s>
Viti	O
Bank	O
is	O
a	O
fast-growing	O
bank	O
in	O
Fiji	B-Language
.	O
</s>
<s>
Design	O
documents	O
typically	O
include	O
functional	O
hierarchy	O
diagrams	O
,	O
screen	O
layouts	O
,	O
business	O
rules	O
,	O
process	O
diagrams	O
,	O
pseudo-code	B-Language
,	O
and	O
a	O
complete	O
data	B-Application
model	I-Application
with	O
a	O
data	B-Application
dictionary	I-Application
.	O
</s>
<s>
For	O
example	O
,	O
Analysis	O
and	O
Design	O
is	O
primarily	O
performed	O
as	O
part	O
of	O
the	O
Acquisition	O
and	O
Implementation	O
Domain	O
,	O
and	O
System	O
Build	O
and	O
Prototype	B-Application
is	O
primarily	O
performed	O
as	O
part	O
of	O
delivery	O
and	O
support	O
.	O
</s>
<s>
Baselines	O
are	O
established	O
after	O
four	O
of	O
the	O
five	O
phases	O
of	O
the	O
SDLC	O
,	O
and	O
are	O
critical	O
to	O
the	O
iterative	B-Algorithm
nature	O
of	O
the	O
model	O
.	O
</s>
<s>
Alternative	O
software	O
development	O
methods	O
to	O
systems	B-General_Concept
development	I-General_Concept
life	I-General_Concept
cycle	I-General_Concept
are	O
:	O
</s>
