Introduction to Input
Units that gather
information into a
series of electronic
signals for the
An arrangement of
letters, numbers, and
special function keys
that act as the primary
input device to the
An input device that
allows the user to
manipulate objects on
the screen by moving
the mouse along the
surface of the desk.
A circuit board that
gives the computer the
ability to accept audio
input, play sound files,
and produce audio
Allows users to take pictures and store images
Most digital cameras have built in internal flash
memory to store pictures.
The Three Basic Types of Digital Cameras Are:
: has many lenses and other
: stationary camera used for
Point and Shoot
: affordable and lightweight for general
home and business use
An input device that allows a user to control a pointer
on the screen.
The location and shape change as the user moves the
Pointing Devices Include:
A symbol on the screen that is usually blinking in the
shape of a vertical bar.
Used to indicate where the next character you type or
item you insert will be place.
Light sensing input device that reads printed text and
graphics and then translates the results into a form the
computer can process.
Allows users to capture data from an original source
document and save in an electronic format.
A small hand held device that users can enter data and
instructions using a variety of techniques.
Ways to Input Using a Smart Phone:
Draw or write on special paper with a digital pen
based messages via a wireless keyboard
Speak into the microphone that wirelessly
communicates with the phone
Take a picture using the built in digital camera
A touch sensitive display device that allows users to
interact with devices by touching various areas of the
Examples of Touch Screens:
Grocery Store Self Check Out
A device that sends and
receives data to and from
) is an
electronic device for reading printed barcodes. Like a
flatbed scanner, it consists of a light source, a lens and
a light sensor translating optical impulses into
The use of special input devices to analyze some
physical parameter assumed to be unique to an
individual, in order to confirm their identity as part of
an authentication procedure.
Types of Biometric Devices:
KVM stands for "Keyboard, Video, Mouse." A KVM
switch connects one keyboard, one mouse and one
video display to multiple computers. This allows users
to control multiple computers with only a single set of
input and output devices.