Mouse A hand held pointing device that moves a pointer on the
screen.
Slide 4
Joystick A stick that translates movement to the screen.
Commonly used in video games and flight simulators.
Slide 5
Trackball A moveable ball that moves the pointer around the
screen
Slide 6
Touch Pad Flat surface that is sensitive to pressure and
motion. It tracks your finger and the mouse cursor corresponds to
the movement.
Slide 7
Light Pen A pen that detects input via light on a screen. It
allows a user to write information on a screen.
Slide 8
Touch Screen/ Terminal Touch screen that user interacts with to
get information.
Slide 9
Digitising Tablet Used to enter drawings and sketches onto a
screen and store them in digital form.
Slide 10
Voice Recognition The devices accepts voice commands and
carries them out.
Slide 11
Sound Capture Devices Sound Cards that capture voice and turn
it into digital form.
Slide 12
Webcam Used for video chatting and video conferencing.
Slide 13
Sensors Used to capture data and monitor changes in states.
Used in weather and security systems.
Slide 14
Remote Controls Emits a wireless Signal to the device it
controls.
Slide 15
Biometric A reader that checks the distinctive characteristics
of a human to identify them. Typically used in fingerprint
readers.
Slide 16
Digital Camera They contain a processor that converts the real
image to a digital image.
Slide 17
Barcode Reader Reads the code of lines that make up a barcode.
Typically used in supermarkets.
Slide 18
OMR Optical Mark Reader. Reads small marks on special forms.
Eg. Surveys and questionares and exam papers
Slide 19
OCR Optical character recognition devices. Can read handwritten
and printed characters and convert them to an electronic form to be
edited. Eg. Scanners
Slide 20
MICR Magnetic ink character recognition reader. Reads text
printed with magnetic ink. Eg. Used at banks in processing
cheques.
Slide 21
POS Point of Sale. Consists of a main computer and a device to
scan the barcode.