Image Editing Essentials 3 — Questions and Answers
Question 1: What is the purpose of layers in image editing software?
- To compress files
- To stack and edit elements independently (Correct answer)
- To delete pixels
- To change resolution
Correct answer: To stack and edit elements independently
Layers let you work on separate elements without affecting others.
Question 2: Which selection tool is best for selecting an area of similar color?
- Lasso tool
- Magic wand tool (Correct answer)
- Crop tool
- Brush tool
Correct answer: Magic wand tool
The magic wand selects pixels based on color similarity.
Question 3: What does 'lossy compression' mean for an image?
- No data is lost
- Some image data is permanently discarded (Correct answer)
- Only metadata is removed
- The file gets larger
Correct answer: Some image data is permanently discarded
Lossy compression discards some data to reduce file size, like JPEG.
Question 4: Which color model is used for print production?
- RGB
- CMYK (Correct answer)
- HSL
- Indexed
Correct answer: CMYK
CMYK (Cyan, Magenta, Yellow, Black) is the subtractive model used in printing.
Question 5: What does increasing the contrast of an image do?
- Makes lights lighter and darks darker (Correct answer)
- Reduces sharpness
- Removes color
- Adds transparency
Correct answer: Makes lights lighter and darks darker
Higher contrast widens the gap between light and dark tones.
Question 6: What is a histogram in image editing?
- A list of layers
- A graph of tonal values (Correct answer)
- A color palette
- A file format
Correct answer: A graph of tonal values
A histogram displays the distribution of tones from shadows to highlights.
Question 7: Which action would non-destructively darken only the shadows?
- Delete the layer
- Use a curves or levels adjustment layer (Correct answer)
- Flatten the image
- Resize the canvas
Correct answer: Use a curves or levels adjustment layer
Adjustment layers like curves edit tones without altering original pixels.
What is the purpose of layers in image editing software?