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Input and Outputs Leslie Flores
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What is an Input? Input consists of data and instructions. Input devices translate what people understand into a form that computers can process.
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Input Devices Input Devices is hardware used to translate words, sounds, images, and actions that makes easy for people to understand. Some examples of inputs are: keyboards, mouse, touch screen, joystick
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Keyboards Used to convert numbers, letters, and special characters, that people understand into electrical signals Traditional Keyboard: full-sized, rigid, rectangular keyboards, that include function, navigational, and numeric keys Flexible Keyboard: fold or roll up for easy storage. Ergonomic Keyboard: the arrangement, it is not rectangular and a palm rest is provided.
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Pointing Devices Mouse Control Device: appears in the shape of an arrow. Mechanical Mouse: considered the traditional type and is commonly used. Optical Mouse: Emits and senses light to detect mouse movement. Cordless/Wireless Mouse: battery powered that uses radio waves or infrared light waves to communicate with the system unit.
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Optical Scanners Known as a scanner, accepts documents consisting of text and images and converts them to machine-readable form.
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Types of Scanners Flatbed Scanner: like a copier machine. The image can be scanned is placed on a glass surface and the scanner is able to record the image from below. Portable Scanner: a handheld device that slides across the image, making direct contact.
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Digital Camera The images off the camera are recorded digitally on a disk or downloaded or transferred to the computer. Digital cameras are able to capture still images
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