CS50 2020 - Lecture 0 - Scratch

TABLE OF CONTENTS 00:00:00 - Introduction 00:00:49 - Representation 00:07:43 - Binary 00:21:33 - ASCII 00:31:14 - Unicode 00:33:29 - RGB 00:41:54 - Algorithms 00:43:21 - Finding David 00:49:15 - Solving Problems Efficiently 00:54:29 - Pseudocode 01:00:23 - Scratch 01:03:05 - Hello, World 01:04:12 - Variables 01:10:10 - Text to Speech 01:11:17 - Sounds 01:12:59 - Loops 01:15:38 - Pen 01:16:18 - Conditions 01:19:08 - Variables 01:20:53 - Animation 01:24:30 - Sensing 01:26:58 - Video Motion 01:27:56 - Broadcasts 01:29:30 - Translation 01:31:03 - Custom Blocks 01:35:15 - Gingerbread Tale 01:36:32 - Oscartime 01:38:21 - Raining Men *** This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. *** HOW TO SUBSCRIBE http://www.youtube.com/subscription_c... HOW TO TAKE CS50 edX: https://cs50.edx.org/ Harvard Extension School: https://cs50.harvard.edu/extension Harvard Summer School: https://cs50.harvard.edu/summer OpenCourseWare: https://cs50.harvard.edu/x HOW TO JOIN CS50 COMMUNITIES Discord:   / discord   Ed: https://cs50.harvard.edu/x/ed Facebook Group:   / cs50   Faceboook Page:   / cs50   GitHub: https://github.com/cs50 Gitter: https://gitter.im/cs50/x Instagram:   / cs50   LinkedIn Group:   / 7437240   LinkedIn Page:   / cs50   Reddit:   / cs50   Quora: https://www.quora.com/topic/CS50 Slack: https://cs50.edx.org/slack Snapchat:   / cs50   Twitter:   / cs50   YouTube:    / cs50   HOW TO FOLLOW DAVID J. MALAN Facebook:   / dmalan   GitHub: https://github.com/dmalan Instagram:   / davidjmalan   LinkedIn:   / malan   Quora: https://www.quora.com/profile/David-J... Twitter:   / davidjmalan   *** CS50 SHOP https://cs50.harvardshop.com/ *** LICENSE CC BY-NC-SA 4.0 Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License https://creativecommons.org/licenses/... David J. Malan https://cs.harvard.edu/malan [email protected]