Website Graphics Flashcards
(7 cards)
1
Q
What is a JPEG best used for?
A
Photographs and complex images with many colours.
2
Q
What is a PNG best used for?
A
Images needing transparency and better quality than JPEG.
3
Q
What does resolution mean?
A
The number of pixels in an image (e.g. 1920x1080).
4
Q
What is the effect of compression on an image?
A
Reduces file size, but may lower image quality.
5
Q
Why is image optimisation important for websites?
A
It helps pages load faster and use less data.
6
Q
What is a bit-mapped graphic?
A
- displayed on a grid
- each pixel has an 8-bit binary code
7
Q
What types of vector graphics are there?
A
Line
Polygon
Rectangle
Elipse