CHAPTER 7 : INPUT AND OUTPUT AND POWER POINT

-Input is any data and instructions entered into the memory of a computer like example

Keyboard

Pointing devices

Touch screens

Pen input

Motion input

Voice input

Video input

Scanners and reading devices

-Output is data that has been processed into a useful form
-Display visually conveys text, graphics and video information
-Printer produces text and graphics on a physical medium
-Many users attach surround sound speakers or speaker system to their computers , game consoles  and mobile devices to generate higher quality sounds
-Headphones are speaker that cover or placed outside of the ear
-Earbuds rest inside the ear canal
-Data projector is a device that takes the text and images displaying on a computer or mobile device  screen and projects them on a larger screen.
-Interactive whiteboard is a touch sensitive device resembling a dry erase board that displays the  image on a connected computer screen.
-Joystick, wheels, gamepads and motion sensing  game controllers can be considered output devices  when they include force feedback
     ⧪Technology that sends resistance to the device in response to action of the user

-Assistive technology Input and output

➤Head-mounted pointer
➤Braile printer