1.
CHAPTER 5 : UNDERSTANDING INPUT
PRESENTED BY :

2.
Program  computer : perform
& how to perform a task.
Respond : command
user issues.
User respons : an instruction to reply
a question displayed by a program.

3.
•Pointing device that fits under the palm of your
hand comfortably.
AIR
OPTICAL
WIRELESS /
CORDLESS
LASER

4.
oTouch screen :
oUsers interact :
of the
.
oCommon in devices :

5.
Enables users
Contain &

6.
•Pen input 
•Stylus : small metal /
plastic device
•Digital pen : slightly
, more
functionality than stylus,
&

7.
•Input device 
•Game controllers :

8.
Fingerprint
reader
 Biometrics authenticates a
person’s identity by
verifying a personal
Hand
characteristic
geometry
 The ability to recognize system
people by their facial
characteristics. The
characteristics of a person's
face into a multidimensional
face space.
Face
recognition
system