Unleash Your Potential - Namagunga Girls Coding Club
input devices
1.
2.
Data or instructions entered into memory of
computer
Input device is any hardware component that
allows users to enter data and instructions
3. Typing area
Numeric keypad
Function keys, special keys
that issue commands
Cordless Keyboard
Communicate with a receiver
attached to a port on the
system unit
4.
5.
First mouse: In 1963 by
Douglas Engelbart, Stanford
Research Institute
Had one button on top and
two wheels on the underside
The device with its long
cable tail looked something
like a mouse
6.
The Mechanical Mouse had rubber or metal
balls on underside
The Optomechanical Mouse - optical sensors detects motion
of the ball
7.
The Optical Mouse - a tiny camera takes thousands of
pictures every second, most optical mice use a small, red
light-emitting diode
The Laser Mouse -infrared laser instead of an LED, wireless
mouse
9.
Touchpad is small, flat,
rectangular pointing device
sensitive to pressure and
motion
Pointing stick is pointing
device shaped like pencil
eraser positioned between
keys on keyboard
10.
Touch areas of screen with
finger. Often used with
kiosks
Digital Pen - Used with
graphics tablets, flat
electronic boards
Looks like a ballpoint pen,
but uses pressure to write
text and draw lines
11.
Touch areas of screen with
finger. Often used with
kiosks
Digital Pen - Used with
graphics tablets, flat
electronic boards
Looks like a ballpoint pen,
but uses pressure to write
text and draw lines
13.
The process of entering input
by speaking into a microphone
MIDI (musical instrument
digital interface)- External
device, such as electronic
piano keyboard, to input
music and sound effects
14.
Light-sensing device
that reads printed text
and graphics
Used for image
processing, converting
paper documents into
electronic images
Sheet-fed
Pen or
Handheld
Flatbed
Drum
15.
Authenticates person’s
identity by verifying
personal characteristic
Fingerprint scanner
captures curves and
indentations of
fingerprint
Hand geometry system
measures shape and size
of person’s hand
16.
Data that has been processed into a useful form
Output device is any hardware component that can
convey information to one or more people
17.
Computer display monitor displays viewable
images generated by a computer without
producing a permanent record.
A computer display device is usually either a
cathode ray tube or some form of flat panel such
as a TFT LCD and LED.
18. Liquid Crystal Display (LCD)
Flat Panel Monitor
Liquid Crystal Display (LCD) Flat Panel Monitor
LCD technology is based on a liquid crystal
solution that exists between two partitioned,
polarized panes of glass.
An image is then created on the display by
altering the amount of light that is allowed through
this solution using an electric voltage.
