2
C
HAPTER II
TH EOR ET C AL FR AMEWO RK
IC AL FR AMEWO RK
2.1.
System s Develo pm ent Life
Cycle
Sy st ems
D
evelop ment Life Cy cle,
also
known as
SD LC,
is
basical ly
a concep t ual
model
t
hat guides project
mana gem ent
in
informat ion sy stem development (Sat zinger,
J. W.,
2007).
2.1. 1. Information S ystem s
St air (2001)
st at ed
in his
p
ublicat ion
the definit ion of
informat ion sy stem: “ An informat ion
sy stem
is a set
of
int errelated
elem ent s or comp onents
t
hat
collect (inp ut ), manip ulat e (p rocess),
store,
and
disseminat e
(output ) data
and
information
and
p
rovide a
correct ive react on (feedback
ion (feedback
me chanism)
t
o meet an obj ect ive.
The feedback m echan ism is t he comp onent
t
hat
helps organizat ions
t
o achieve
their
goals, such
as
incr easing profit s or improving
cust omer service.”
There is a
more si mp le e xplanat ion
of informat ion
sy stem
by
James
(2004):
“A n assembly
or int egrat ionof
technology
t
o
achiev e a range offunct ional it y.”
An informat ion sy stem could
be any
organiz ed combinat ion
of
p
eop le,
hardware,
soft ware, communicat ion n et w orks,
and
dat a
resources, t hat collect s,
p
rocess, and
distribut e
information in
an
organiz ation. People use
informat ion sy st em
t
o
communicat e
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