Cs50 2019 Lecture 0 Computational Thinking Scratch

TABLE OF CONTENTS. . 00:00:00 – Introduction. 00:02:35 – Representation. 00:06:02 – Binary. 00:09:17 – Binary Bulbs (Demo). 00:12:22 – Representing Letters. 00:14:08 – Abstraction. 00:15:35 – Unicode. 00:17:21 – RGB. 00:19:38 – Representing Images and Video. 00:21:28 – Finding Mike Smith. 00:24:54 – Solving Problems Effectively. 00:28:20 – Pseudocode. 00:31:18 – Scratch. 00:33:16 – The Scratch Editor. 00:39:58 – meow. 00:42:22 – count0. 00:43:42 – pet0. 00:44:42 – pet1. 00:45:25 – bounce0. 00:48:15 – bounce1. 00:48:49 – bark. 00:50:38 – marco. 00:52:19 – cough. 00:54:03 – Custom Blocks. 00:56:09 – Oscartime. 00:58:21 – Ivy’s Hardest Game. . TOPICS. . * Problem solving. * Inputs, Outputs. * Representation. * Unary, Binary, Decimal. * Abstraction. * ASCII, Unicode. * RGB. * Algorithms. * Running Time. * Pseudocode. * Scratch. * Functions, Arguments, Return Values. * Variables. * Boolean Expressions, Conditions. * Loops. * Events. * Threads. . ***. . This is CS50, Harvard University’s introduction to the intellectual enterprises of computer science and the art of programming. Demanding, but definitely doable. Social, but educational. A focused topic, but broadly applicable skills. CS50 is the quintessential Harvard course.. . FALL 2019. . https://www.youtube.com/playlist?list=PLhQjrBD2T381L3iZyDTxRwOBuUt6m1FnW. . ***. . HOW TO SUBSCRIBE. . http://www.youtube.com/subscription_center?add_user=cs50tv. . 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: https://discord.gg/T8QZqRx. Ed: https://cs50.harvard.edu/x/ed. Facebook Group: https://www.facebook.com/groups/cs50/. Faceboook Page: https://www.facebook.com/cs50/. GitHub: https://github.com/cs50. Gitter: https://gitter.im/cs50/x. Instagram: https://instagram.com/cs50. LinkedIn Group: https://www.linkedin.com/groups/7437240/. LinkedIn Page: https://www.linkedin.com/school/cs50/. Quora: https://www.quora.com/topic/CS50. Slack: https://cs50.edx.org/slack. Snapchat: https://www.snapchat.com/add/cs50. Twitter: https://twitter.com/cs50. YouTube: http://www.youtube.com/cs50. . HOW TO FOLLOW DAVID J. MALAN. . Facebook: https://www.facebook.com/dmalan. GitHub: https://github.com/dmalan. Instagram: https://www.instagram.com/davidjmalan/. LinkedIn: https://www.linkedin.com/in/malan/. Quora: https://www.quora.com/profile/David-J-Malan. Twitter: https://twitter.com/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/by-nc-sa/4.0/. . David J. Malan. https://cs.harvard.edu/malan. malan@harvard.edu