KS3 ICT Quiz
Processing Text and Images 03
Typical editing tasks of photos include correcting the colours.

Processing Text and Images 03

Expand your knowledge of processing text and images in this KS3 ICT quiz. Images can enhance a document and give it much more of a visual impact. They can be anything from a simple pencil sketch to a full colour photograph. Before they can be added to a document produced on a computer, an image on paper or other physical medium needs to be digitised. This can be done using a scanner or digital camera. The digital image can be saved onto a computer hard drive or other storage device and then loaded into whatever documents you want.

In the days before digital cameras were able to produce good quality images, photographs were produced by developing and printing films. It took a while for films to be processed and many people ended up being disappointed with their photos as they were not perfectly focused or did not have the correct exposure.

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Unless they are printed to a high standard, photos from films, particularly colour films, could fade within a few years. With digital photos, they don't fade over time, you can see the results instantly and re-take a picture if the first shot didn't work properly. You can also use a graphics package to sharpen up slightly blurred images, correct errors in exposure or modify the colours to get exactly the result that you want.

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  1. Clip-art is a term generally applied to .......
    Clip-art is often charged for and covered by copyright so you should really check with the owner before using clip art for your own work
  2. Images imported into documents often need cropping. What is meant by cropping?
    Cropping can help to focus attention on a single area
  3. Typical editing tasks of photos do not include .......
    Editors cannot increase image resolution. Trying to take a small (thumbnail) image and turn it into a large image that is detailed just isn't possible
  4. Imported images can be the wrong size and need .......
    There are different ways of resizing an image, dragging the resizing handles is one of them but you have to be very careful otherwise you will distort it
  5. Which cannot be used as a source of digital images?
    mp3 libraries store digital music files
  6. Digital photographs are usually stored as what?
    JPEG is the same as JPG and it stands for the organisation that devised this file type, the Joint Photographic Experts Group. It is a much more efficient method of storing photographic images than other file formats
  7. Digital images on the internet .......
    Using copyright protected images without permission is theft! When selecting digital images to use, look for ones that are in the public domain. This means that the owner is quite happy for anyone to use their image without having to pay for it or steal it
  8. Colour images can be converted into 'greyscale'. Which of the following statements about greyscale is true?
    Greyscale images sometimes have more visual drama
  9. Before saving an image file you should make sure you .......
    It needs to be appropriate for the image and be compatible with the software you intend to import it into. Saving an image in an inappropriate format can result in a loss of detail or a huge file size
  10. Image editing program special effects are often called .......
    There are filters to improve an image, like make it sharper or change its colour, brightness, contrast etc. There are all sorts of unusual and creative effects too, but use them carefully or you could end up with an image that only you like!

Author: Duncan Daish

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