1. Computer
Joseph Z. Rizon
1sm

2. What is Computer?

3. A computer is an
electronic
device, operating
under the control of
instructions stored in
own memory, that
can accept
data, process the
data according to
specified
rules, produce
results, and store
the result for future
use.

4. DATA – a collection of unprocessed
items, which can include
text, numbers, images, audio, and video
INFORMATION – conveys meaning and is
useful to people
INFORMATION PROCESSING CYCLE
data
(input)
process
information
(output)
storage

5. Components COMPUTER

6. Input Devices
 any hardware component that allows you to
enter data and instructions into a computer
1. Keyboard
2. Mouse
3. Microphone
4. Scanner
5. Digital camera
6. PC video camera

7. Keyboard
 contains
keys you
press to
enter data
into the
computer

8. Mouse
 small handheld device
 use to controls movements of the
pointer
 use to make selections in the
screen

9. Microphone
 allows someone to speak into
the computer

10. Scanner
 converts
printed
materials
(text &
pictures) into
a form the
computer can
use

11. Digital Camera
 enables you take pictures and then
transfer them to the computer or
printer instead of storing the
images on traditional films

12. PC video camera
 is a digital
video camera
that allows
you to create
movies or take
still pictures
electronically