[1] The term screencast compares with the related term screenshot; whereas screenshot generates a single picture of a computer screen, a screencast is essentially a movie of the changes over time that a user sees on a computer screen, that can be enhanced with audio narration and captions.
In 2004, columnist Jon Udell invited readers of his blog to propose names for the emerging genre.
[10] Students can record video and audio as they demonstrate the proper procedure to solve a problem on an interactive whiteboard.
[12] An alternative solution for capturing a screencast is the use of a hardware RGB or DVI frame grabber card.
This approach places the burden of the recording and compression process on a machine separate from the one generating the visual material being captured.