Question

1. what resolution should a scanned image be if it is going to be restored or retouched? (a) at least 300 ppi. (b) at least 600 ppi. (c) at least 1200 ppi. (d) at least 150 ppi. 2. when restoring or retouching an image, you should zoom in at least (a) 100%. (b) 200%. (c) 1000%. (d) 1600%. 3. when an image is sharpened, what happens to pixels to cause edges of objects to stand out more? (a) darker pixels get darker and lighter pixels get lighter. (b) darker pixels get lighter and lighter pixels get darker. (c) lighter pixels get lighter and darker pixels stay the same. (d) darker pixels get darker and lighter pixels stay the same. 4. when the unsharp mask filter is applied to an image, what does the threshold setting do? (a) it controls how dark the dark pixels become. (b) it controls how light the light pixels become. (c) it controls whether the entire image is sharpened or just the most obvious edges in the image. (d) it controls whether the entire image is sharpened or just the lightest areas of the image. 5. which sharpen filter has a motion blur option that can help correct blur caused by camera movement? (a) the sharpen edges filter. (b) the sharpen more filter. (c) the smart sharpen filter. (d) the unsharp mask filter. 6. as a general rule, when should you sharpen an image? (a) right after scanning it or downloading it from a digital camera. (b) just before printing, after all other adjustments have been made to the image. (c) before adding any filters or effects. (d) before the image is flattened. 7. unwanted specks of color in an image, caused by fast film (graininess) or high iso settings on a digital camera are called (a) dust (b) artifacts (c) specks (d) noise 8. what do the noise filters actually do to an image to remove noise? (a) they blur an image. (b) they remove pixels from an image. (c) they change the resolution of the image. (d) they revert an image to its previous state. 9. when you use the dust & scratches filter, the setting controls whether the entire image or only the most obvious speckles are blurred. (a) radius (b) threshold (c) tolerance (d) contiguous

Explanation:

These questions relate to digital image editing principles, including resolution requirements for restoration, zoom levels for detail work, sharpening mechanics, filter functions, and noise removal. Answers are based on standard practices in image editing software (e.g., Adobe Photoshop).

Answer:

1. (C) At least 1200 ppi
2. (B) 200%
3. (A) Darker pixels get darker and lighter pixels get lighter
4. (C) It controls whether the entire image is sharpened or just the most obvious edges in the image
5. (C) The Smart Sharpen filter
6. (B) Just before printing, after all other adjustments have been made to the image
7. (D) noise
8. (A) They blur an image
9. (B) Threshold