To digitalize an image is to acquire or transform in a digital format so that it can be visualized and edited using computer systems. The three most commonly used methods right now for digitalizing images are: digital cameras, graphics tablet and scanners
Graphics tablet
The graphics table is a peripheral that allows you to draw directly onto the computer as if drawing with a pencil on paper.
Scanner
The scanner is an input peripheral which allows to digitalize a flat image such as a document, photograph, etc.
How to do screen captures
To screen capture is to copy to the clipboard what you see on the screen to use it later. Depending on what we want to capture, we can screen capture two ways: