Back to Basics
Schoolcraft College CEPD
Elements of a Computer System
DATA is a collection of independent and
INFORMATION is the processed and
organized data presented in a meaningful
DATA PROCESSING is the course of
doing things in a sequence of steps.
What does a Computer Do?
1. It accepts and gather data. (INPUT)
2. It processes data to become information.
3. It stores data and information. (STORE)
4. It presents information. (OUTPUT)
Components of a Computer System
HARDWARE is the tangible part of a
SOFTWARE is the non-tangible part that
tells the computer how to do its job.
PEOPLEWARE refer to people who use
and operate the computer system, write
computer programs, and analyze and
design the information system.
MAINFRAME are large general purpose
MINICOMPUTER perform multi-tasking
and allow many terminals to be connected
to their services.
MICROCOMPUTER (Personal Computer)
is most widely used especially at home
because of its affordable price and
A display screen to
provide “output” to
the user. It is where
you view the
information your are
Used to enter
information into the
computer and for
An input device
operated by rolling its
ball across a flat
surface. The mouse is
used to control the on-
screen pointer by
pointing and clicking,
dragging objects on the
and motion sensitive
device used in place
of a mouse.
An output device
that produces a hard
copy on paper. It
gives information to
the user in printed
A device that allows
pictures to be
placed into a
Allows the user to
record sounds as
input to their