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Hello Scratch!: Learn to program by making arcade games by Sadie Ford Gabriel Ford and Melissa Ford

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Chapter 1. Getting to know your way around Scratch

Scratch is a drag-and-drop programming language made by the Massachusetts Institute of Technology (MIT). Each block (piece of code) is written in ActionScript, Adobe’s programming language, which means your game will need Adobe Flash to run. That’s important to know because Scratch won’t work on any device that doesn’t have Flash, such as iPads, so you’ll need to work on a computer.

To make a game, you snap the virtual blocks together like LEGOs, and Scratch implements the code behind the scenes to run your program. That’s what makes Scratch a visual, drag-and-drop language. MIT programmers ...

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