BAB 2
LANDASAN
TEORI
2.1
Sistem Informasi
Menurut
O’ Brien (2005,
hlm5) sistem
informasi
dapat merupakan
kombinasi
apa pun dari orang-orang,
hardware,
software,
jaringan
komunikasi,
dan sumber
daya
data, yang mengumpulkan
mengubah,
dan menyebarkan
informasi
dalam sebuah
organisasi.
Menurut
Moscove,
Simkin
&
Bagranoff
(2001,
p6)
information
system
is
a
set of interrelated subsystems
that work together
to collect,
process,
store, transform,
and distribute information for planning, decision making, and control.
2.2
Tcknologi Informasi
Menurut
Thomson
&
Cats
–
Baril
(2003,
p2)
information
technology
is
the
capability
of accepting,
processing,
and
outputting
digital content.
Content
may
take
the form of data, graphics,
still images,
sounds, or video. I/T contants both hardware
(physical
components),
and software
(instructions).
A personal computer
is an
example of one type of information technology.
Menurut
Jessup
& Valacich
(2008,
p12)
information
technology
refers
to
machine that is controlled by or uses information.
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