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Commonly Used Input Methods (Motion, Voice and Video Input (Voice…
Commonly Used Input Methods
Keyboards
Contains keys you press to enter data and instructions into a computer or mobile devices.
Ergonomic Keyboard
-> has a design that reduces the chance f repetitive strain injuries (RSIs) of wrist and hand.
Pointing Devices
Mouse
Fits under the palm of your hand comfortably
Touchpad
Small, flat, rectangular pointing devices that is sensitive to pressure and motion.
Trackball
A stationary pointing device with a ball on its top or side
Touch Screens
Touch-sensitive display
Pen Input
Touch a stylus or a digital pen on a flat surface to write, draw, or make selections.
Eg:
graphics tablet
Motion, Voice and Video Input
Voice recognition
-> computer or mobile devices' capability of distinguishing spoken words.
Audio Input
-> Process of entering any sound into the computer such as speech , music and sound effects.
Video Input
-> The process of capturing full-motion images and storing them on a computer or mobile device's storage medium.
Webcam
-> A type of DV camera that enables the user to capture video and still images, make video calls.
Scanners and Reading Devices
Scanner
-> A light-sensing input device that read printed texts and graphics and then translates the results into a form the computer can process.
Bar code reader
-> uses laser beams to read bar codes
QR codes
-> Stores information in both vertical and horizontal direction.
RFID
-> Uses radio signals to communicate with a tag placed in or attached to an object.
RFID reader
-> reads information on the tag via radio waves
~ can track times of runners in a marathon.
~ checking lift tickets of skiers.
Magstripe readers
-> read the magnetic stripe on the back of cards like :check: credit cards :check:Entertainment cards
Output
Output
-> data that has been processed into a useful form. Usually conveys text, graphics and video information.
Monitor
-> packaged ad a separate peripheral device.
Printers
-> output device that produces text and graphics on a physical medium.
Joy sticks, wheels, motion-sensing game controller
