Servers computers
Compression: Crash Course Computer Science #21
Get your first two months of CuriosityStream free by going to http://curiositystream.com/crashcourse and using the promo code “crashcourse”. 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 over the Internet – the solution, unsurprisingly, is to make them smaller. Today, we’re going to talk about lossless compression, which will give you the exact same thing when reassembled, as well as lossy compression, which uses the limitations of human perception to remove less important data. From listening to music and sharing photos, to talking on the phone and even streaming this video right now the ways we use the Internet and our computing devices just wouldn’t be possible without the help of compression.
Pre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here!
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Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
Want to know more about Carrie Anne?
https://about.me/carrieannephilbin
The Latest from PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV
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Hello there and welcome to my video. In today’s video, I’ll be doing some stuff with my Dell R720 server that it really wasn’t ever meant to do; I’ll be using it as a desktop computer. I’ll try to play games on it, and even do a little bit of video editing.
Music, in order:
Beyond – Patrick Patrikios
The High Line – Causmic
Welcome – Anno Domini Beats
Island Dream – Chris Haugen
Nine Lives – Unicorn Heads
Soul Searching – Causmic
Papov – Young Logos
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Do you need to install a server in a rack and you don’t know how? Here I will teach you how to install the sliding rails and the server in the rack
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In this video we do a Unifi small business setup. I show you the components and cabling I use, How to termination cat 6 keystone jacks, how to make RJ45 cables, configure Unifi WIFI network, Unifi firewall rules and threat management
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Intro 0:00
Looking at the network topology 0:50
Components used in a small business network 2:00
Looking at the network rack, Plugging in patch cables 6:07
Cable management, and using velcro 7:50
Terminating keystone jacks and RJ45 10:30
Getting the UDM pro connected to the internet 15:20
Adopting devices into your controller 18:13
Configuring networks 18:48
Creating wireless networks 20:05
Firewall configuration 21:30
Tagging switch ports with vlans 26:16
Lookint at Unifi threat management 27:13
Final thoughts 29:52 .
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What is the difference between a NAS (network attached storage) and a SAN (storage area network)?
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What is a Storage Area Network?
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@vinaypratapsingh2608
November 11, 2024 at 5:33 am
I was watching SILICON VALLEY then i started wondering what is compression i know the basic idea but how do we implement it.. Then another movement i am here 😂
@SilverScarletSpider
November 11, 2024 at 5:33 am
I like competer science sometimes, thanks crash corse
@zxbryc
November 11, 2024 at 5:33 am
where's my man lempel and ziv?!
@raivolution
November 11, 2024 at 5:33 am
"Hate Mail from Audiophiles"
Just say you can't hear them.
@faktablad
November 11, 2024 at 5:33 am
Celebrity doge appearance
@Richard_is_cool
November 11, 2024 at 5:33 am
After the floppy disk episode, I now think that the doge meme was just added for us old people.
@МихаилТелегин-г5щ
November 11, 2024 at 5:33 am
Now we can hide a huge amount of absolutely useless data into an extremely small box. What will be the next level of abstraction?!
@THERedstoneBR
November 11, 2024 at 5:33 am
9:14
interessante que quando mostra s 2 fotos uma do lado da outra eles colocaram 2 fotos iguais sem ser um jpeg, ai quando mostraram antes é ALTAMENTE VISÍVEL a diferença, se seus olhos não estão funcionando corretamente, no minimo renomeie a foto que mudou para não colocar as 2 iguais…
@Orokusaki1986
November 11, 2024 at 5:33 am
How long until internet speeds are good enough to the point where we only rarely use compression?
@oblivion_2852
November 11, 2024 at 5:33 am
Found it weird that you grouped blocks of two different colors before you just make a pallete. There's 3 colors so thats 9 bytes + 16 * 2 bits = 13 bytes. I guess it was to show off the binary tree thing but the example seemed a bit off.
@PoWerLight4444
November 11, 2024 at 5:33 am
Thanks for the video !
@lemoncola1164
November 11, 2024 at 5:33 am
8:13 do i look like i know what a jpg is, i just want a picture of a got dang hotdog
@FurEngel
November 11, 2024 at 5:33 am
It should be noted that the concept of compression was pioneered by Huffman in the 50s and it predates computer science.
@JohnsonAY
November 11, 2024 at 5:33 am
So cool! Thanks for this series!
@sackboy1665
November 11, 2024 at 5:33 am
C O M M P R E S S
@fukkatsu4
November 11, 2024 at 5:33 am
This series is a lot better than my University lectures
@geometrydash8834
November 11, 2024 at 5:33 am
nice teeth donkey.
@geometrydash8834
November 11, 2024 at 5:33 am
that fringe tho and ur head shape mmmm
@quackhead1895
November 11, 2024 at 5:33 am
2:39 hahahahahaahhaha look at bottom right corber hahaha big funmy
@markpaulramos6913
November 11, 2024 at 5:33 am
Jin Yang!!!
@odedsol2
November 11, 2024 at 5:33 am
9:25
Help! Help!
I'm being compressed!!
@Arshar
November 11, 2024 at 5:33 am
🤜🤛👍
@amalsal9559
November 11, 2024 at 5:33 am
You go girl, excellent.
@Uttar_World
November 11, 2024 at 5:33 am
சிறப்பு
@isaacbenmhidi2845
November 11, 2024 at 5:33 am
Are all those compressions methods available in our Famous WinRAR ?
Or are we supposed to use another one that is more specialised ??
Can you suggest… ?
@vggamer6355
November 11, 2024 at 5:33 am
SO CONFUSING!!!!!!!……HOW DOES THIS CHANNEL HAVE 0VER 1MILLION SUBSCRIBERS
@chhussain7024
November 11, 2024 at 5:33 am
How we can justify compression?
@luisalves1706
November 11, 2024 at 5:33 am
Thank you.
@max500k
November 11, 2024 at 5:33 am
Thank you Carrie Anne, for being good at simplifying complicated things
@RandomU5erName
November 11, 2024 at 5:33 am
“I’m literally being compressed!”
@trippy_NOSKILL
November 11, 2024 at 5:33 am
goofy ahh video
@IsaScience
November 11, 2024 at 5:33 am
"I have a killer collection on my retro ipod"
Dankpods has entered the chat
@eucabrooks
November 11, 2024 at 5:33 am
"The answer is compression, which literally squeezes data into a smaller size."
In my notebook: compression = smaller font 1s and 0s.
@davlatbekkobiljonov911
November 11, 2024 at 5:33 am
thank your very much I learned a lot of things watching this episode!
@micahmock3505
November 11, 2024 at 5:33 am
My takeaway… it is okay to cut corners when computers are involved. (My elementary school teachers would be feel sick rn.)
@julianbullmagic
November 11, 2024 at 5:33 am
this course is great, very clear
@hossamyasser8651
November 11, 2024 at 5:33 am
Thank you so much for the information.
@johanvanhuyssteen9217
November 11, 2024 at 5:33 am
Brilliant. Thank you!
@tjames22123
November 11, 2024 at 5:33 am
Great crash course!!
@sebsplatter914
November 11, 2024 at 5:33 am
Damn I love this series so much! This is such a banger baseline for anyone with a passing interest in computers!
@bit_blocky
November 11, 2024 at 5:33 am
3:03 This entire series I guessed it was 'don't forget to be amazing' 😂
Finally, the answer!
@samadel.a765
November 11, 2024 at 5:33 am
You just had to add a dad joke at the end 🙂