Image Editing Essentials 2 — Questions and Answers
Question 1: Which file format supports transparency and lossless compression, making it ideal for web logos?
- JPEG
- PNG (Correct answer)
- BMP
- TIFF
Correct answer: PNG
PNG supports an alpha channel for transparency and uses lossless compression.
Question 2: What does the term 'resolution' typically refer to in raster image editing?
- The number of colors
- The pixels per inch (Correct answer)
- The file size
- The aspect ratio
Correct answer: The pixels per inch
Resolution describes pixel density, often measured in pixels per inch (PPI/DPI).
Question 3: Which tool would you use to remove a small blemish by sampling nearby pixels?
- Crop tool
- Healing brush (Correct answer)
- Gradient tool
- Text tool
Correct answer: Healing brush
The healing brush blends sampled pixels to remove blemishes seamlessly.
Question 4: What is the main difference between raster and vector graphics?
- Raster uses math formulas, vector uses pixels
- Raster uses pixels, vector uses paths (Correct answer)
- They are identical
- Vector cannot be colored
Correct answer: Raster uses pixels, vector uses paths
Raster images are made of pixels, while vectors use mathematical paths that scale cleanly.
Question 5: Which color model is used for screens and digital displays?
- CMYK
- RGB (Correct answer)
- Pantone
- Grayscale
Correct answer: RGB
RGB (Red, Green, Blue) is the additive color model used by digital screens.
Question 6: What does cropping an image do?
- Increases resolution
- Removes outer areas of the image (Correct answer)
- Adds a border
- Changes file format
Correct answer: Removes outer areas of the image
Cropping trims away unwanted outer portions to improve framing.
Question 7: Which adjustment would best fix a photo that is too dark overall?
- Increase brightness/exposure (Correct answer)
- Lower saturation
- Add noise
- Decrease contrast only
Correct answer: Increase brightness/exposure
Raising brightness or exposure lightens a dark image.
Which file format supports transparency and lossless compression, making it ideal for web logos?