CS50x 2024 - Lecture 0 - Scratch
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This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming.
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TABLE OF CONTENTS
00:00:00 - Introduction
00:01:01 - AI Instructor
00:02:12 - This is CS50
00:12:26 - Computer Science
00:13:52 - Binary
00:28:00 - ASCII
00:37:32 - Unicode
00:46:39 - Color
00:48:07 - Representation
00:51:30 - Algorithms
01:00:10 - Pseudocode
01:05:10 - Thank you
01:06:13 - Artificial Intelligence
01:15:52 - cs50.dev
01:16:15 - Scratch
01:19:03 - Hello, World
01:22:05 - Hello, You
01:29:19 - Meow
01:32:10 - Abstraction
01:36:22 - Conditionals
01:43:44 - Oscartime
01:50:29 - Ivy's Hardest Game
02:00:03 - The Harvard Krokodiloes and The Radcliffe Pitches
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***
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
[email protected]
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Video Transcript
[MUSIC PLAYING]
[AUDIENCE EXCLAIMING]
[APPLAUSE]
SPOT: Hello, world.
This is CS50, Harvard
University's introduction
to the intellectual
enterprises of computer science
and the art of programming.
Woof, woof.
[LAUGHTER]
I'm sorry, Dave.
[PINK, "WHAT ABOUT US"] What about us?
What about us?
La-da-da-da-da-da-da.
La-da-da-da-da-da-da.
We are searchlights.
We can see in the dark.
We are rockets pointed up at the stars.
We are billions of beautiful hearts.
And you sold us down the river too far.
What about us?
What about all the times you
said you had the answers?
What about us?
What about all the
broken happy ever-afters?
What about us?
What about all the plans
that ended in disaster?
What about love?
What about trust?
What about us?
La-da-da-da-da-da-da.
La-da-da-da-da-da-da.
La-da-da-da-da-da-da.
La-da-da-da-da-da-da.
DAVID J. MALAN: All right.
So--
[APPLAUSE, CHEERING]
This is CS50, Harvard
University's introduction
to the intellectual
enterprises of computer science
and the art of programming.
And this is Spot.
And our thanks to our
friends at 3D Cowboys
for bringing him by class today.
Perhaps a round of applause for
our special Professor [INAUDIBLE]..
[APPLAUSE]
My name is David Malan.
And I actually took this class,
CS50, myself, some years ago.
But I almost didn't.
And I didn't because when I
got to campus, as a first-year,
I really gravitated toward
things already familiar, things
with which I was already comfortable,
specifically, government.
And I came in here thinking I was going
to major or concentrate in government.
