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

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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

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LICENSE

CC BY-NC-SA 4.0
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License
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David J. Malan
https://cs.harvard.edu/malan
malan@harvard.edu