CS50x 2025 - Lecture 0 - Scratch

简介：

This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. 00:00:00 - Introduction 00:01:15 - This is CS50 00:08:35 - Computer Science 00:09:44 - Unary 00:11:28 - Binary 00:23:58 - ASCII 00:33:42 - Unicode 00:38:45 - Color 00:42:27 - Representation 00:47:20 - Algorithms 00:57:34 - Pseudocode 01:03:32 - Artificial Intelligence 01:09:21 - Scratch 01:16:15 - Hello, World 01:19:00 - Hello, You 01:27:02 - Meow 01:32:21 - Abstractions 01:37:23 - Conditionals 01:41:14 - Oscartime 01:49:52 - Ivy’s Hardest Game