AQA INFO1 S2 Word Scramble
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Question | Answer |
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 |
Created by:
GuildfordICTTeacher
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