Computer

Professor Brailsford on why he’s updating his OS and Hardware while in isolation (with remote support from Dr Bagley) EXTRA BITS (Sean & the Prof chatting about all sorts!) : https://youtu.be/DzTQEXtuWGU Contact Tracing: https://www.youtube.com/watch?v=EgIg90cFRVw The Great 202 Jailbreak: https://www.youtube.com/watch?v=CVxeuwlvf8w https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed by Professor Brailsford & Sean Riley and edited

Pointers are an essential element of computing. Dr Steve Bagley explains how everything rests on pointers. Password Cracking: https://youtu.be/7U-RbOKanYs Loops vs Recursion: https://youtu.be/HXNhEYqFo0o Many thanks to Microsoft Research UK for their support with the ‘Essentials’ mini-series. http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of

The only viable alternative to AES? Dr Mike Pound unravels the clever ChaCha cipher. https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com

How do you verify that someone is who they say they are? Dr Mike Pound on digital signatures. https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com

Audible Free Book: http://www.audible.com/computerphile Three or four laws to make robots and AI safe – should be simple right? Rob Miles on why these simple laws are so complicated. Silicon Brain: 1,000,000 ARM Cores: https://youtu.be/2e06C-yUwlc Chip & PIN Fraud: https://youtu.be/Ks0SOn8hjG8 AI Worst Case Scenario – Deadly Truth of AI: https://youtu.be/tcdVC4e6EV4 The Singularity & Friendly AI:

Deleting files may not mean they’re gone. Even overwriting them isn’t safe. Professor Derek McAuley explains. EXTRA BITS – more on Flash/SSD: http://youtu.be/HQWFCDN9VZI Punch Card Programming: http://youtu.be/KG2M4ttzBnY http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Thanks to Richard Faulkner for the photo

Search Engines are a bit like the Public Library – You wouldn’t wander around hoping to find the book you want, there’s a system in place. Data is the same – Dr. Max Wilson Explains. http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham:

Watch Part 3: https://youtu.be/E6vtRm5M8I0 https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com

We haven’t got time to label things, so can we let the computers work it out for themselves? Professor Uwe Aickelin explains supervised and un-supervised methods of machine learning. Silicon Brain: 1,000,000 ARM Cores: https://youtu.be/2e06C-yUwlc Brian Kerninghan on Bell Labs: https://youtu.be/QFK6RG47bww Could We Ban Encryption?: https://youtu.be/ShUyfk4QB-8 Computer That Changed Everything – Altair 8800: https://youtu.be/6LYRgrqJgDc http://www.facebook.com/computerphile

Which triangles should be in front and which should be behind? The problems computers face when collapsing 3D graphics down to 2 dimensions. Graphics series with John Chapman: 1/ Universe of Triangles : http://youtu.be/KdyvizaygyY 2/ Power of the Matrix : http://youtu.be/vQ60rFwh2ig 3/ Triangles to Pixels : http://youtu.be/aweqeMxDnu4 4/ Visibility Problem : http://youtu.be/OODzTMcGDD0 5/ Lights and

Finite State Automata meets Recursion. Professor Brailsford continues the story of computers without memory. State Machines versus Chomsky Type 3 Chomsky’s Hierarchy: https://youtu.be/224plb3bCog Finite State Automata: https://youtu.be/vhiiia1_hC4 3D Rock Art Scanner: https://youtu.be/Ahdnkj77rAY AI Safety: https://youtu.be/IB1OvoCNnWY The Professor’s Notes: http://bit.ly/computerphile_identifier http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at

What is data? Dr Mike Pound begins to formalise this much used word. This is part 1 of the Data Analysis Learning Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckpfMu_4Ff8E7Z1behQks5ba This Learning Playlist was designed by Dr Mercedes Torres-Torres & Dr Michael Pound of the University of Nottingham Computer Science Department. Find out more about Computer Science at Nottingham here: https://bit.ly/2IqwtNg

We all rely on sat nav systems, but how do they work? Here to discuss is Steve Fuller of GRACE (Geospatial Research and Applications Centre of Excellence) at Nottingham Geospatial Institute EXTRA BITS: More on GPS and Satellite Navigation: https://youtu.be/3tmo23gZBf4 http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science

How far have we come with Artificial Intelligence? Are there intelligent machines, or have we changed the world to allow dumb machines to behave intelligently? Luciano Floridi is Professor of Philosophy and Ethics of Information at the University of Oxford. He is Senior Research Fellow at the Oxford Internet Institute and Fellow of St Cross

Extra material from our main film “Building the BBC Micro” : https://youtu.be/y4WG549i3YY http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com

Taking a solemn oath to promise never to write a program that analyses other programs? – That’s how Professor Brailsford felt when he first understood undecidability. Latest in our series on the History of Undecidability Undecidability Tangent (History of Undecidability Part 1): http://youtu.be/nsZsd5qtbo4 Barber & Russell Paradoxes (History of Undecidability Part 2): http://youtu.be/FK3kifY-geM Turing &

The psychic paper in the TV show “Doctor Who” displays whatever the Doctor needs it to show at any given time. The Java vulnerability Neil Madden exposed is a digital version of this. Dr Mike Pound explains. Neil Madden’s blog: https://neilmadden.blog/2022/04/19/psychic-signatures-in-java https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer

Audible free book: http://www.audible.com/computerphile Basic logic gates explained and all the different ways they can be drawn and represented. Professor Brailsford takes us through the AND, OR & NOT logical operations. 3d X-Ray Images : http://youtu.be/Qrl__J4vYok Hill Climbing Algorithm & Artificial Intelligence: http://youtu.be/oSdPmxRCWws Binary Addition & Overflow: http://youtu.be/WN8i5cwjkSE How Computer Memory Works: http://youtu.be/XETZoRYdtkw Easter Egg:

Cracking the code was only half the battle. To keep the upper hand, when using Bill Tutte’s statistical methods, the detailed counting had to be automated – enter Colossus! Professor Brailsford takes up the story. The professor’s notes: http://www.eprg.org/computerphile/lorenz-combined.pdf Bletchley Park Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckrSWWIDJ_3To7ro5-naSk8v Professor Brailsford used the book “Colossus” by B. Jack Copeland and others

10% off at Squarespace: http://squarespace.com/computerphile If not for Apple, the company making ARM processors might never have existed and ARM could have disappeared with Acorn. Professor Steve Furber explains why. Computer That Changed Everything: https://youtu.be/6LYRgrqJgDc Face Recognition: COMING SOON Deadly Truth of General AI: https://youtu.be/tcdVC4e6EV4 http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited

Abstraction is at the heart of everything to do with computing. James Clewett takes us through the layers abstracting the pixels forming this text on screen from the electrons in the computer. http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computerphile is a sister project to Brady Haran’s Numberphile. See

Quality printing from your own home is taken for granted, but it wasn’t always that way – The Apple Laserwriter gave the original Apple Mac a purpose and cemented its place in the creative industries. We hear from Professor David Brailsford. Unrolling the Loops – https://youtu.be/guXgBe2wvEA Little Mac with the Big Bite: http://www.youtube.com/watch?v=NMlbUCAOEXw Great 202

Just what is functional programming? We asked a member of the team that created Haskell: John Hughes, Professor of Computer Science at Chalmers University of Technology in Gothenburg. http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to

IP addresses explained – what do these mysterious numbers and dots mean and how are they used? Richard Mortier explains the idea of the addresses behind the internet protocol. Network Address Translation (NAT): https://youtu.be/01ajHxPLxAw Quick Sort: http://youtu.be/XE4VP_8Y0BU Get Sorted: http://youtu.be/kgBjXUE_Nwc http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science

Professor Brailsford returns to the Wheeler Jump (as mentioned by Doctor Bagley in the Subroutine video) https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com

Traceroute is a standard networking tool, but can it be used to recreate all those film scenes where a ‘trace’ is put on a signal? Dr Richard G Clegg, Queen Mary University of London shows us the neat hack that makes it work and has a go at that supervillain map! Richard’s github: https://github.com/richardclegg/vis_route https://www.facebook.com/computerphile

Audible free book: http://www.audible.com/computerphile How do we go from 3D representations within a computer to pixels on a screen? John Chapman has the details! John Chapman is a graphics programmer who blogs here: http://www.john-chapman.net Graphics series with John Chapman: 1/ Universe of Triangles : http://youtu.be/KdyvizaygyY 2/ Power of the Matrix : http://youtu.be/vQ60rFwh2ig 3/ Triangles to

Professor Brailsford returns to the subject of why Colossus was built. The professor’s notes: http://www.eprg.org/computerphile/lorenz-combined.pdf Bletchley Park Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckrSWWIDJ_3To7ro5-naSk8v Professor Brailsford used the book “Colossus” by B. Jack Copeland and others (Oxford University Press, 2006). Also recommended are chapters 18 and 19 from : “The Bletchley Park Codebreakers” by R. Erskine and M. Smith (eds.)

The ‘Swiss Army Knife’ of data structures, Professor Brian Kernighan talks about the associative array with beer & pizza. EXTRA BITS: https://youtu.be/H8k-I4Azbk8 “Code” Books: https://youtu.be/6v6wdK2EbIQ Many thanks to Microsoft Research UK for their support with the ‘Essentials’ mini-series. http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the

To Conclude Professor Brailsford’s series on PDF he discusses how PDFs are created. PDF, what is it for? : https://youtu.be/48tFB_sjHgY Programming in Post Script: https://youtu.be/S_NXz7I5dQc Unrolling the Loops: https://youtu.be/guXgBe2wvEA Google Deep Dream: https://youtu.be/BsSmBPmPeYQ FPS & Digital Video: https://youtu.be/yniSnYtkrwQ Password Cracking: https://youtu.be/7U-RbOKanYs http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer