Crash Course Computer Science

  • : 2017
  • : 40
  • : 3
  • YouTube
  • 17
  • Animation Documentary History

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1
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Early Computing
Episode overview
22, 2017
Hello, world! Welcome to Crash Course Computer Science! So today, we’re going to take a look at computing’s origins, because even though our digital computers are relatively new, the .. show full overview
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Electronic Computing
Episode overview
01, 2017
So we ended last episode at the start of the 20th century with special purpose computing devices such as Herman Hollerith’s tabulating machines. But as the scale of human civilization .. show full overview
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Boolean Logic & Logic Gates
Episode overview
08, 2017
Today, Carrie Anne is going to take a look at how those transistors we talked about last episode can be used to perform complex actions. With the just two states, on and off, the flow of .. show full overview
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Binary - Representing Numbers and Letters
Episode overview
15, 2017
Today, we’re going to take a look at how computers use a stream of 1s and 0s to represent all of our data - from our text messages and photos to music and webpages. We’re going to focus .. show full overview
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How Computers Calculate - the ALU
Episode overview
22, 2017
Today we're going to talk about a fundamental part of all modern computers. The thing that basically everything else uses - the Arithmetic and Logic Unit (or the ALU). The ALU may not .. show full overview
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Registers and RAM
Episode overview
29, 2017
Today we’re going to create memory! Using the basic logic gates we discussed in episode 3 we can build a circuit that stores a single bit of information, and then through some clever .. show full overview
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The Central Processing Unit (CPU)
Episode overview
05, 2017
Today we’re going to build the ticking heart of every computer - the Central Processing Unit or CPU. The CPU’s job is to execute the programs we know and love - you know like GTA V, .. show full overview
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Instructions & Programs
Episode overview
12, 2017
Today we’re going to take our first baby steps from hardware into software! Using that CPU we built last episode we’re going to run some instructions and walk you through how a program .. show full overview
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Advanced CPU Designs
Episode overview
26, 2017
So now that we’ve built and programmed our very own CPU, we’re going to take a step back and look at how CPU speeds have rapidly increased from just a few cycles per second to gigahertz! .. show full overview
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Early Programming
Episode overview
03, 2017
Since Joseph Marie Jacquard’s textile loom in 1801, there has been a demonstrated need to give our machines instructions. In the last few episodes, our instructions were already in our .. show full overview
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Programming Languages
Episode overview
10, 2017
So we ended last episode with programming at the hardware level with things like plugboards and huge panels of switches, but what was really needed was a more versatile way to program .. show full overview
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Programming Basics: Statements & Functions
Episode overview
17, 2017
Today, Carrie Anne is going to start our overview of the fundamental building blocks of programming languages. We’ll start by creating small programs for our very own video game to show .. show full overview
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Intro to Algorithms
Episode overview
24, 2017
Algorithms are the sets of steps necessary to complete computation - they are at the heart of what our devices actually do. And this isn’t a new concept. Since the development of math .. show full overview
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Data Structures
Episode overview
31, 2017
Today we’re going to talk about on how we organize the data we use on our devices. You might remember last episode we walked through some sorting algorithms, but skipped over how the .. show full overview
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Alan Turing
Episode overview
07, 2017
Today we’re going to take a step back from programming and discuss the person who formulated many of the theoretical concepts that underlie modern computation - the father of computer .. show full overview
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Software Engineering
Episode overview
14, 2017
Today, we’re going to talk about how HUGE programs with millions of lines of code like Microsoft Office are built. Programs like these are way too complicated for a single person, but .. show full overview
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Integrated Circuits & Moore’s Law
Episode overview
21, 2017
So you may have heard of Moore's Law and while it isn't truly a law it has pretty closely estimated a trend we've seen in the advancement of computing technologies. Moore's Law states .. show full overview
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Operating Systems
Episode overview
28, 2017
So as you may have noticed from last episode, computers keep getting faster and faster, and by the start of the 1950s they had gotten so fast that it often took longer to manually load .. show full overview
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Memory & Storage
Episode overview
05, 2017
So we’ve talked about computer memory a couple times in this series, but what we haven’t talked about is storage. Data written to storage, like your hard drive, is a little different, .. show full overview
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Files & File Systems
Episode overview
12, 2017
Today we’re going to look at how our computers read and interpret computer files. We’ll talk about how some popular file formats like txt, wave, and bitmap are encoded and decoded giving .. show full overview
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Compression
Episode overview
27, 2017
So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files are way too large to be easily stored on hard drives or transferred .. show full overview
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Keyboards & Command Line Interfaces
Episode overview
02, 2017
Today, we are going to start our discussion on user experience. We've talked a lot in this series about how computers move data around within the computer, but not so much about our role .. show full overview
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Screens & 2D Graphics
Episode overview
09, 2017
Today we begin our discussion of computer graphics. So we ended last episode with the proliferation of command line (or text) interfaces, which sometimes used screens, but typically .. show full overview
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The Cold War and Consumerism
Episode overview
16, 2017
Today we’re going to step back from hardware and software, and take a closer look at how the backdrop of the cold war and space race and the rise of consumerism and globalization brought .. show full overview
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The Personal Computer Revolution
Episode overview
23, 2017
Today we're going to talk about the birth of personal computing. Up until the early 1970s components were just too expensive, or underpowered, for making a useful computer for an .. show full overview
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Graphical User Interfaces
Episode overview
30, 2017
Today, we're going to discuss the critical role graphical user interfaces, or GUIs played in the adoption of computers. Before the mid 1980's the most common way people could interact .. show full overview
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3D Graphics
Episode overview
06, 2017
Today we’re going to discuss how 3D graphics are created and then rendered for a 2D screen. From polygon count and meshes, to lighting and texturing, there are a lot of considerations in .. show full overview
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Computer Networks
Episode overview
13, 2017
Today we start a three episode arc on the rise of a global telecommunications network that changed the world forever. We’re going to begin with computer networks, and how they grew from .. show full overview
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The Internet
Episode overview
20, 2017
Today, we're going to talk about how the Internet works. Specifically, how that stream of characters you punch into your browser's address bar, like "youtube.com", return this very .. show full overview
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The World Wide Web
Episode overview
04, 2017
Today we’re going to discuss the World Wide Web - not to be confused with the Internet, which is the underlying plumbing for the web as well as other networks. The World Wide Web is .. show full overview
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Cybersecurity
Episode overview
11, 2017
Cybersecurity is a set of techniques to protect the secrecy, integrity, and availability of computer systems and data against threats. In today’s episode, we’re going to unpack these .. show full overview
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Hackers & Cyber Attacks
Episode overview
18, 2017
Today we're going to talk about hackers and their strategies for breaking into computer systems. Now, not all hackers are are malicious cybercriminals intent on stealing your data (these .. show full overview
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Cryptography
Episode overview
25, 2017
Today we’re going to talk about how to keep information secret, and this isn’t a new goal. From as early as Julius Caesar’s Caesar cipher to Mary, Queen of Scots, encrypted messages to .. show full overview
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Machine Learning & Artificial Intelligence
Episode overview
01, 2017
So we've talked a lot in this series about how computers fetch and display data, but how do they make decisions on this data? From spam filters and self-driving cars, to cutting edge .. show full overview
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Computer Vision
Episode overview
15, 2017
Today we’re going to talk about how computers see. We’ve long known that our digital cameras and smartphones can take incredibly detailed images, but taking pictures is not quite the .. show full overview
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Natural Language Processing
Episode overview
22, 2017
Today we’re going to talk about how computers understand speech and speak themselves. As computers play an increasing role in our daily lives there has been an growing demand for voice .. show full overview
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Robots
Episode overview
29, 2017
Today we're going to talk about robots! Robots are often thought as a technology of the future, but they're already here by the millions in the workplace, our homes, and pretty soon on .. show full overview
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Psychology of Computing
Episode overview
06, 2017
We’ve spent most of this series talking about computers. Which makes sense - this is Crash Course COMPUTER SCIENCE after all. But at their core computers are tools employed by humans and .. show full overview
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Educational Technology
Episode overview
13, 2017
Today we’re going to go a little meta and talk about how computer science can support learning with educational technology. We here at Crash Course are big fans of interactive in-class .. show full overview
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The Singularity, Skynet, and the Future of Computing
Episode overview
21, 2017
In our SERIES FINALE of Crash Course Computer Science we take a look towards the future! In the past 70 years electronic computing has fundamentally changed how we live our lives, and we .. show full overview

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