Tom Scott

What’s Your Computer Actually Doing?

The fetch-execute cycle is the basis of everything your computer or phone does. This is literally The Basics. • Sponsored by Dashlane —try 30 days for free at:

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In the graphics, “programme” should be “program”.
I say “Mac instead of PC”; that should be “a phone instead of a PC”.
And most importantly, I say “every sixth cycle”: that should be “every ninth”.
Fortunately, none of these materially affect the content of the video!

Written by Sean M Elliott and Tom Scott
Directed by Tomek
Graphics by Mooviemakers
Audio mix by Haerther Productions

I’m at
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and on Instagram as tomscottgo

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