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Chapter six Output by Mind Map: Chapter six Output
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Chapter six Output

What Is Output?

Output is data that has been processed into a useful form

An output device is any type of hardware component that conveys information to one or more people

Display Devices

• A display device visually conveys text, graphics, and video information

• A monitor is packaged as a separate peripheral – LCD monitor – Widescreen

• Liquid crystal display (LCD) uses a liquid compound to present information on a display device

• Resolution is the number of horizontal and vertical pixels in a display device – A higher resolution uses a greater number of pixels

• The graphics processing unit (GPU) controls the manipulation and display of graphics on a display device

Printers

• A printer produces text and graphics on a physical medium – Printed information is called a hard copy, or printout – Landscape or portrait orientation

• A nonimpact printer forms characters and graphics on a piece of paper without actually striking the paper

• An ink‐jet printer forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper – Color or black‐and‐white – Printers with a higher dpi (dots per inch) produce a higher quality output

• A multifunction peripheral (MFP) is a single device that prints, scans, copies, and in some cases, faxes

• A thermal printer generates images by pushing electrically heated pins against the heat‐sensitive paper

• A mobile printer is a small, lightweight, battery‐powered printer that allows a mobile user to print from a mobile device

Speakers, Headphones, and Earbuds

• An audio output device produces music, speech, or other sounds

• Headphones are speakers that cover your head or are placed outside of the ear

• Earbuds (also called earphones) rest inside the ear canal

• Some speakers are specifically designed to play audio from a portable media player

Other Output Devices

• Other output devices are available for specific uses and applications

• A data projector is a device that takes the text and images displaying on a computer screen and projects them on a larger screen

• An interactive whiteboard is a touch‐sensitive device, resembling a dry‐erase board, that displays the image on a connected computer screen

• Force‐feedback sends resistance to the device in response to actions of the user

• Tactile output provides the user with a physical response from the device

Output Devices for Physically Challenged Users

• Many accessibility options exist for users with various disabilities