CS50 2021 in HDR - Lecture 0 - Scratch

CS50 · Beginner ·🔍 RAG & Vector Search ·4y ago
This is CS50, Harvard University's Introduction to the intellectual enterprises of computer science and the art of programming. Enroll for free at https://cs50.edx.org/. Slides, source code, and more at https://cs50.harvard.edu/x. Playlist at https://www.youtube.com/playlist?list=PLhQjrBD2T383f9scHRNYJkior2VvYjpSL. TABLE OF CONTENTS 00:00:00 - Intro 00:01:17 - Problem Solving 00:05:36 - Representation 00:06:14 - Binary 00:13:25 - Letters 00:16:40 - ASCII 00:20:12 - Unicode 00:25:38 - Color 00:28:00 - Images 00:29:28 - Videos 00:30:43 - Music 00:31:50 - Questions on representation 00:35:41 - Algorithms 00:40:33 - Time to solve 00:43:57 - Pseudocode 00:50:35 - Scratch 00:52:39 - Scratch blocks 00:57:22 - Hello world 01:03:30 - Inputs to outputs, outputs to inputs 01:05:50 - Text to speech 01:07:41 - Meow 01:08:35 - Loops 01:10:42 - Custom blocks 01:15:50 - Conditionals 01:17:25 - Forever 01:18:42 - Video sensing 01:20:25 - Whack-a-mole 01:21:57 - One piece at a time 01:22:48 - Oscartime 01:24:24 - Oscartime stage 01:25:30 - Oscartime trash can 01:27:18 - Oscartime falling trash 01:29:42 - Oscartime dragging trash 01:31:30 - Putting Oscartime together 01:33:42 - Movement 01:35:32 - Movement's abstractions 01:37:30 - Bouncing 01:39:05 - Following 01:41:00 - Ivy's Hardest Game *** 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_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/cs50 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://
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1 Hello, World: Hadi Partovi
Hello, World: Hadi Partovi
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 2 Content Distribution and Archival in a Digital Age
Content Distribution and Archival in a Digital Age
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 3 CS50 2014 - Week 1
CS50 2014 - Week 1
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 4 CS50 2014 - Week 3
CS50 2014 - Week 3
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 5 CS50 2014 - Week 0, continued
CS50 2014 - Week 0, continued
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 6 CS50 2014 - Week 4
CS50 2014 - Week 4
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 7 Week 3, continued
Week 3, continued
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 8 Quiz 0 Review
Quiz 0 Review
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 9 CS50 2014 - Week 3, continued
CS50 2014 - Week 3, continued
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 10 CS50 2014 - Week 7
CS50 2014 - Week 7
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 11 CS50 2014 - Week 7, continued
CS50 2014 - Week 7, continued
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 12 Breaking Through The (Google) Glass Ceiling by Christopher Bartholomew
Breaking Through The (Google) Glass Ceiling by Christopher Bartholomew
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 13 Introduction to Amazon Web Services by Leo Zhadanovsky
Introduction to Amazon Web Services by Leo Zhadanovsky
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 14 CS50 2014 - Week 9
CS50 2014 - Week 9
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 15 How to Build Innovative Technologies by Abby Fichtner
How to Build Innovative Technologies by Abby Fichtner
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 16 Light Your World (with Hue Bulbs) by Dan Bradley
Light Your World (with Hue Bulbs) by Dan Bradley
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 17 Building Dynamic Web Apps with Laravel by Eric Ouyang
Building Dynamic Web Apps with Laravel by Eric Ouyang
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 18 CS50 2014 - CS50 Lecture by Steve Ballmer
CS50 2014 - CS50 Lecture by Steve Ballmer
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 19 CS50 2014 - Week 10
CS50 2014 - Week 10
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 20 This is CS50 with Steve Ballmer?
This is CS50 with Steve Ballmer?
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 21 Meteor: a better way to build apps by Roger Zurawicki
Meteor: a better way to build apps by Roger Zurawicki
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 22 Data Analysis in R by Dustin Tran
Data Analysis in R by Dustin Tran
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 23 Data Visualization and D3 by David Chouinard
Data Visualization and D3 by David Chouinard
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 24 CS50 2014 - Week 6
CS50 2014 - Week 6
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 25 Build Tomorrow's Library by Jeffrey Licht
Build Tomorrow's Library by Jeffrey Licht
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 26 CS50 2014 - Week 9, continued
CS50 2014 - Week 9, continued
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 27 Essential Scale-Out Computing by James Cuff
Essential Scale-Out Computing by James Cuff
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 28 iOS App Development with Swift by Dan Armendariz
iOS App Development with Swift by Dan Armendariz
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 29 Sam Clark Leads Yale Students on Tour to CS50 at Harvard
Sam Clark Leads Yale Students on Tour to CS50 at Harvard
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 30 3D Modeling and Manufacture by Ansel Duff
3D Modeling and Manufacture by Ansel Duff
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 31 CS50 2014 - Week 5, continued
CS50 2014 - Week 5, continued
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 32 hello, world
hello, world
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 33 CS50 2014 - Deep Thoughts - Hash Table
CS50 2014 - Deep Thoughts - Hash Table
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 34 CS50 2014 - Deep Thoughts - Binary Tree
CS50 2014 - Deep Thoughts - Binary Tree
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 35 CS50 2014 - Deep Thoughts - Scratch
CS50 2014 - Deep Thoughts - Scratch
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 36 CS50 2014 - Deep Thoughts - MySQL
CS50 2014 - Deep Thoughts - MySQL
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 37 LaunchCode Visits CS50
LaunchCode Visits CS50
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 38 CS50 Live, Episode 100
CS50 Live, Episode 100
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 39 CS50 Field Trip to Google
CS50 Field Trip to Google
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 40 This is CS50 AP
This is CS50 AP
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 41 Week 4: Monday - CS50 2011 - Harvard University
Week 4: Monday - CS50 2011 - Harvard University
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 42 Week 2: Wednesday - CS50 2011 - Harvard University
Week 2: Wednesday - CS50 2011 - Harvard University
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 43 Week 1: Wednesday - CS50 2011 - Harvard University
Week 1: Wednesday - CS50 2011 - Harvard University
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 44 Week 11: Monday - CS50 2011 - Harvard University
Week 11: Monday - CS50 2011 - Harvard University
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 45 Week 3: Wednesday - CS50 2011 - Harvard University
Week 3: Wednesday - CS50 2011 - Harvard University
CS50
 46 Week 12: Monday - CS50 2011 - Harvard University
Week 12: Monday - CS50 2011 - Harvard University
CS50
 47 Week 1: Friday - CS50 2011 - Harvard University
Week 1: Friday - CS50 2011 - Harvard University
CS50
 48 Week 3: Monday - CS50 2011 - Harvard University
Week 3: Monday - CS50 2011 - Harvard University
CS50
 49 Week 10: Wednesday - CS50 2011 - Harvard University
Week 10: Wednesday - CS50 2011 - Harvard University
CS50
 50 Week 2: Monday - CS50 2011 - Harvard University
Week 2: Monday - CS50 2011 - Harvard University
CS50
 51 Week 9: Monday - CS50 2011 - Harvard University
Week 9: Monday - CS50 2011 - Harvard University
CS50
 52 Week 7: Monday - CS50 2011 - Harvard University
Week 7: Monday - CS50 2011 - Harvard University
CS50
 53 Week 5: Monday - CS50 2011 - Harvard University
Week 5: Monday - CS50 2011 - Harvard University
CS50
 54 Week 5: Wednesday - CS50 2011 - Harvard University
Week 5: Wednesday - CS50 2011 - Harvard University
CS50
 55 Week 7: Wednesday - CS50 2011 - Harvard University
Week 7: Wednesday - CS50 2011 - Harvard University
CS50
 56 Week 8: Monday - CS50 2011 - Harvard University
Week 8: Monday - CS50 2011 - Harvard University
CS50
 57 Week 9: Wednesday - CS50 2011 - Harvard University
Week 9: Wednesday - CS50 2011 - Harvard University
CS50
 58 Week 8: Wednesday - CS50 2011 - Harvard University
Week 8: Wednesday - CS50 2011 - Harvard University
CS50
 59 Week 10: Monday - CS50 2011 - Harvard University
Week 10: Monday - CS50 2011 - Harvard University
CS50
 60 Week 2: Wednesday - CS50 2010 - Harvard University
Week 2: Wednesday - CS50 2010 - Harvard University
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Chapters (39)

Intro
1:17 Problem Solving
5:36 Representation
6:14 Binary
13:25 Letters
16:40 ASCII
20:12 Unicode
25:38 Color
28:00 Images
29:28 Videos
30:43 Music
31:50 Questions on representation
35:41 Algorithms
40:33 Time to solve
43:57 Pseudocode
50:35 Scratch
52:39 Scratch blocks
57:22 Hello world
1:03:30 Inputs to outputs, outputs to inputs
1:05:50 Text to speech
1:07:41 Meow
1:08:35 Loops
1:10:42 Custom blocks
1:15:50 Conditionals
1:17:25 Forever
1:18:42 Video sensing
1:20:25 Whack-a-mole
1:21:57 One piece at a time
1:22:48 Oscartime
1:24:24 Oscartime stage
1:25:30 Oscartime trash can
1:27:18 Oscartime falling trash
1:29:42 Oscartime dragging trash
1:31:30 Putting Oscartime together
1:33:42 Movement
1:35:32 Movement's abstractions
1:37:30 Bouncing
1:39:05 Following
1:41:00 Ivy's Hardest Game
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