周兴旺 发表于 2025-3-28 15:51:26
Fabian Persson The scrambler performing this scrambling function can be implemented simply using a few shift registers and exclusive-OR gates; and the descramblers reconstructing the original bitstream out of the scrambled data stream has the same structure but with the reversed data flow. For a proper reconstrucIST 发表于 2025-3-28 22:16:14
Fabian Persson nature of the language, showing you how to write programs by dragging and dropping visual blocks representing common compute operations. .Scratch is visual language that even young children can master. and makes computer programming as easy as dragging and dropping graphical blocks that represent pInvertebrate 发表于 2025-3-29 00:01:35
http://reply.papertrans.cn/89/8828/882724/882724_43.png浸软 发表于 2025-3-29 04:31:33
Fabian Perssonfoundation for future programming in other languagesThis is a book about learning the Scratch language so that you can use it in teaching and other instructional situations. The book explains the visual nature of the language, showing you how to write programs by dragging and dropping visual blocksRct393 发表于 2025-3-29 08:56:59
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