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a webcam is a input device. allows the user to stream videos or pictures

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Touch screens are both an input and an output device. They allow the user to control the device by touching the screen which also displays an image.

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Graphic tablets are input devices. it is used to convert handdrawn artwork into digital images

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The bar code scannner is an imput device. it allows the user to scan bar codes. mostly seen/used in supermarkets

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Phone VR headsets are output devices. They hold the users phone so they can see the image of the virtual environment.

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the light pen is an input device. similar to a pen. it is used to select a displayed menu item or draw pictures on the monitor screen

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3D printers are output devices. They take a 3D file from the computer and produce a physical copy of the model, usually made of plastic.

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Printers are output devices. They take an image or document from the computer and print out a physical paper copy of it.

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The joystick is a input device. mostly used for gaming allows the user to control video games and usually have one or more push buttons

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Projectors are output devices. They take video information from a source and output it by shining a light on a flat surface, such as a wall.

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Computer monitors are output devices. They take video information and display it on their screen.

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A track ball is an input device. it is a mouse like device but instead of the laser using the mousepad or desktop as movement it instead uses a ball to detect the movement

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A mouse is a input device. it allows the user to traverse the endless web and apps using the scroll wheel two buttons and a laser to track movement of the mouse.

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Headphones are an output device. They take audio information from the computer, and output it through two small speakers that cover the user’s ears.

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Speakers are output devices. They take audio information from the computer and output it as sounds.

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A keyboard are input devices. They allow the user to type letters and symbols into a computer.