Today we talked about pixels. Pixel is the small part of image. Each pixel is a bit of information. Pixels are forming the picture. Resolution means how many pixels do you have per inch or it could be centemetre. Resolution can be high, which means there are a lot of pixels per square inch, or low, the opposite to high. Standart qualities are: 72 pixels per squre inch for internet purpose, and 300 for printing. You do not want a big image for uploading it on the internet because it will take time to download. But when you are printing something you want to have a high quality image , because othervise it would not turn out lookin good. You can use different types of programes to save your image with. There are two main types: lossy type of programs, JPEG is the most well cnown example of this type, and loss less programs. Every time you save your image n JPEG format, it compresses it, by makin pixels of simmilar color the same. By doing thart image becomes smaller, like 1 MB instead of 6MB. So if you are creating professional work you should use loss less programs for saving images.