CHAPTER 9 · 1 lesson · 13 exercises
Screens and media
How a screen is made easy to use, and how images and sound are held as data.
This chapter gathers the knowledge you want sitting next to the HTML and CSS course.
The principles of screen design and accessibility, the image formats (JPEG, PNG, GIF, SVG) and what each is and is not good for, the fact that compression comes in lossless and lossy kinds, and how colour is expressed. Why photographs are JPEG and icons are PNG gets a reason here.
Lessons in this chapter
Screen design, images and sound
- 19The basics of screens and imagesWhy photographs are JPEG and icons are PNG. Who
altis written for. How to build a screen and how to hold the material you put on it.Go to the exercises