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AQA INFO1 S2

Revision cards for AQA AS INFO1 Outputs

QuestionAnswer
What is an output device? The physical hardware used to output the information
What is the output media? What the output device produces the information on (e.g. paper)
Output devices for visual output (5) Monitor; smart phone/PDA screen; digital projector; plasma screens (used in public areas); interactive whiteboards
Types of printer (4) Laser; inkjet; plotter; dot-matrix
Output devices for sound (2) Speakers, headphones
Criteria for choosing visual output devices (4) What kind of image/information needs to be viewed? Where is it going to be viewed? Who is going to view the information/image? Does it need to be displayed to a large number of people at once?
How do we measure image quality? Resolution - number of dots that make up the image, higher the number the better the quality
Criteria for choosing a printer What is going to be printed? Volume of documents What media will be used?
Advantages of laser printers Quicker than inkjet Produce high-quality text Running costs lower than inkjet Colour will not run if wet Good for high-volume printing
Advantages of inkjet printers Can produce photo-quality colour prints Can print on different media (photo paper, plastic film, transfers etc) Cheaper to buy than laser printers Best for home use
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