COMPILER DESIGN

Detailed explanation-1: -Click the BACKDROP BUTTON (looks like a mini mountain with a sun) to choose a new backdrop. Choose a backdrop from the library (such as “Spotlight-Stage”). Click OK. The new backdrop now appears on the Stage.

Detailed explanation-2: -Each object in Scratch is called a sprite. Default sprite is a cat. The background for the sprite is called Stage OR backdrop.

Detailed explanation-3: -You will see all selected backdrops to the left of your screen in the backdrops Paint Editor. Click and drag a “when green flag clicked” block from the Events category in the Block Palette onto your Code Area.