$22000 Intel Xeon Gold Dual CPU & RTX 3090 4Way AI Computation machine youtu.be/wykIH6u4-Nk
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πŸ“°︎ r/gadgets
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πŸ“…︎ Apr 14 2021
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New Artificial Neuron Device Runs Neural Network Computations Using 100 to 1000 Times Less Energy scitechdaily.com/new-arti…
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πŸ“°︎ r/technews
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πŸ‘€︎ u/QuantumThinkology
πŸ“…︎ May 03 2021
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How did Google perform an attack that used 6500 years of CPU computation?

I have recently learned about hashing and the different type of hashing algorithms. While researching about SHA1, I came across the Shattered project by Google where they showcased a collision in SHA-1. All the headlines of this events say stuff about using an insanely high amount of computation but they obviously didn't wait 6500 years for this so how was it done? Did they use a lot of CPU servers and the 6500 years of CPU computation is how long one CPU would take? What CPU is that? I'm just so confused sorry.

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πŸ“°︎ r/crypto
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πŸ‘€︎ u/ngl_kinda_sus
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Automata Network Raises $2.4 Million Round to provide privacy & computation services to ETH/DOT DApps as Project Is Listed on Binance Launchpool coincodex.com/article/114…
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πŸ“°︎ r/ethtrader
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πŸ‘€︎ u/Economy_Team
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Developing a new Cryptocurrency: Proof of Work Computations / Investor Backing / General Start-up

Book suggestions or PDF links for helping me me find out how crypto currencies are invented / generate backing / operate computationally / play out theoretically, overall... etc.

I want to know how literal examples of this being done goes... pretty big ask, I suppose, as no one that informed is going to be chiming in, here, I'm sure. But if anyone has any good educational material to suggest on the subject of crypto currency founding or originating, it seems to be hard to come by online.

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πŸ“°︎ r/CryptoTechnology
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πŸ“…︎ May 22 2021
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What computations can quantum computers do that classical Turing machines cannot do under any circumstances?

I'm rather confused here, it was my understanding that quantum computers simply allowed specific things to be done much faster than traditional computers. But that a traditional Turing machine could still calculate them given enough time and space.

But the article on quantum simulators states that:

>A universal quantum simulator is a quantum computer proposed by Yuri Manin in 1980[4] and Richard Feynman in 1982.[5] Feynman showed that a classical Turing machine would not be able to simulate a quantum effect, while his hypothetical universal quantum computer would be able to mimic needed quantum effect.[5][6]

Which means that there are calculations that a quantum computer can do, that a classical computer simply can't, regardless of time and space.

I don't really get how this can be possible? How is it possible that there's something a classical computer cannot calculate, but a quantum computer can? Or how can a quantum computer calculate something that isn't calculable?

What are an example of these computations?

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πŸ“°︎ r/hardware
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πŸ‘€︎ u/Lost4468
πŸ“…︎ May 12 2021
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Proof is useful work: Given the criticisms of bitcoins PoW being expensive and wasteful, would it still be considered wasteful if the computations were useful?like in folding at home? eprint.iacr.org/2017/203.…
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πŸ“°︎ r/CryptoCurrency
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πŸ‘€︎ u/type_error
πŸ“…︎ Jun 05 2021
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[The Matrix] How much computation power (in FLOPS) would be required to run the Matrix for the current human population?

Assuming that human brains also take part in simulation via thinking and reaction to VR, how much computation power would be needed to run virtual reality, to simulate (not nescessary perfectly) the world, animals, plants, w/e?

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πŸ‘€︎ u/Jeine092
πŸ“…︎ May 15 2021
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whilst i cannot verify the absolute power consumption figures..ADA is a Proof of Stake not Proof of Work network and therefore do not need the massive computation.
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πŸ“°︎ r/ArkInvestorsClub
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πŸ“…︎ May 18 2021
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1976 : IBM Advertisement highlighting how ancient India's invention of numbers and the Zero Is helping In modern mathematical computation (πŸ“Έ: Indianhistorypics)
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πŸ‘€︎ u/_lameboy_
πŸ“…︎ Apr 06 2021
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Are "Cycles" essentially Tether, but backed by computation rather than the USD?

Based on Dominic's recent interview with OKEX: https://www.youtube.com/watch?v=-MCo94FLvf8

He explains how cycles are a stablecoin backed by the SDR (1 SDR = ~$1.44 USD), and will always maintain a static value because people in need of computational power for their smart contracts / canisters could buy cheaper cycles on the open-market which will inevitably raise the price back to the 1.44 SDR value. Therefore assuming the internet computer achieves scale and use, cycles can become a stablecoin vastly superior to Tether/USDC - because the underlying backing behind the cycles currency is computational power - which obviously holds more value than Tether which is supposedly backed by USD and other physical assets?

Correct me if I'm wrong but computational power holds immense value in today's world and it could be truly revolutionary to have a currency that is backed by computation rather than traditional assets / centralized currency? It's essentially a decentralized stablecoin?

I think this is a relatively unknown aspect of the IC at the moment. I feel like it could be revolutionary though? Is my thinking correct?

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πŸ“°︎ r/dfinity
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πŸ‘€︎ u/SovereignGW
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Useless computation
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πŸ“°︎ r/FreeKarma4U
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πŸ“…︎ May 31 2021
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Implicit boolean computation in Rule 30
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πŸ‘€︎ u/mindloss
πŸ“…︎ May 11 2021
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Can't wait for PoE (proof of energy) coins to cause power supply shortages. Skip all the computations, just trade kilowatts for coins.
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πŸ“°︎ r/Buttcoin
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πŸ‘€︎ u/UltraCitron
πŸ“…︎ May 21 2021
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What should I read to understand the model of computation for algorithms?

I mostly understand algorithms, but I would like to formally learn the basics of the model of computation for algorithms.

Sorry if this is not the right place I also posed on r/compsci where it got removed.

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πŸ“°︎ r/algorithms
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πŸ“…︎ May 22 2021
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Has studying Computation Theory (such as FSA, Turing Machines, Classification of languages, decidability of a problem) given you any real-world advantages?

I'm a computer science student, and, even if I'm interested in these topics, it's hard to see the applications.

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πŸ“°︎ r/computerscience
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πŸ‘€︎ u/bash_history
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Scientific Evidence Shows Consciousness is Based on Quantum Computations youtu.be/uVzT7k4S8W0
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πŸ“°︎ r/HighStrangeness
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πŸ‘€︎ u/RatherBSquidding
πŸ“…︎ May 03 2021
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UCLA Mathematics of Computation or Berkeley L&S CS?

I recently got accepted into Mathematics of Computation (my second choice of major) at UCLA and L&S CS at Berkeley. I have always wanted to go to UCLA and right now I do not know what to do. If you guys were me what would you do? Please list out the PROS and CONS too!

Thanks guys!

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πŸ‘€︎ u/aalifiaangel
πŸ“…︎ May 25 2021
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How "expensive" are CSS properties in terms of computation?

Hi, I'm wondering how much added overheads there are when it comes to assigning CSS properties. One example is the text-transform property. If you have some text you wish to display as uppercase, you can assign text-transform: uppercase to the element it's contained in.

Or, you could store that text by casting it to uppercase and then all you need to do is retrieve said text.

How does this work on a lower level? If you assign this property, upon the page rendering, what exactly happens? Does the browser look at every character in this element and subsequently cast it to uppercase, and can this be a blocking operation?

If you theoretically load some very large amount of characters into this element, would there be a performance boost if you remove that CSS property and merely retrieve the stored uppercase text?

Does CSS ever need to be optimized in terms of computation speed to get those millisecond or microsecond faster page renders?

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πŸ“°︎ r/webdev
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πŸ‘€︎ u/Ader453
πŸ“…︎ Jun 03 2021
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Efficient computation of homogeneous roll-and-keep dice pool probabilities

Link to the article.

AnyDice can't compute this within its time limit. Neither can Troll.

output [highest 5 of 10d[explode d10]]

With the right algorithm, this can be done in under 5 milliseconds.

Probably only of interest to programmers, the code is still quite a ways from productionization.

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πŸ‘€︎ u/HighDiceRoller
πŸ“…︎ May 12 2021
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[URGENT] Can’t graduate without a Theory of Computation class

I took a gap semester due to COVID and missed the Theory of Computation class, which is required for graduation. Unfortunately, the school only offers it once every two years. I need to take a similar class somewhere else to get the credit for Theory of Computation. Any suggestion on an online class that teaches Theory of Computation and can be transferred for college credits?

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πŸ“°︎ r/csMajors
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πŸ‘€︎ u/phanhanh1508
πŸ“…︎ Jun 05 2021
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Grading and Medal Awarding Computation

(to admin, sorry if I'm creating another post about this cause it's been days and no one is replying on my comment in Weekly Discussion Thread)

I just to know if there is a place where I can see the detailed explanation or exact computation of the Grade and Medal Awarding we get after games. I want to know which factors (pushing, KDA, hero damage's damage taken) weighs more.

Idk if I should create a separate Suggestion post to the devs that they should include this information together with the tutorial section. It would also help players in identifying if there is an error or give suggestion to improve the grading system.

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πŸ‘€︎ u/icaruskid_
πŸ“…︎ Jun 03 2021
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Theory Of Computation

What are your top sources to learn Theory Of Computations, if someone could help me with sources I would be glad.

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πŸ“°︎ r/computerscience
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πŸ‘€︎ u/DadfuckingBod
πŸ“…︎ Apr 26 2021
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cloud servers computation heavy things should be mixed in with indoor gardens. the extra heat produced by servers can be used to heat the greenhouse.
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πŸ‘€︎ u/SimplyStuart
πŸ“…︎ Apr 27 2021
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MIT intro to neural computation course 2018 - Application of Exponential Euler's Method to RC model of neuron.

Hello! i'm trying to follow the course on Neural Computation at MIT (https://ocw.mit.edu/courses/brain-and-cognitive-sciences/9-40-introduction-to-neural-computation-spring-2018/index.htm) but as a psychology student i'm struggling with the math and the programming - not discouraged though, just need some assistance!

There's something entirely wrong with the program i've written, or the values i've calculated, so here's all the steps i've done (you can skip to the code, the first part is just calculating values - i just added it in case, maybe the error is done at this early stage, even though i checked it several times).

Calculating values (more physics than code):

Given a "neuron" which is a perfect sphere, with the radius of 0.06mm, a specific membrane capacitance (cm - c for capacitance, m for membrane) 10nF/mm^(2), a specific membrane conductance (gm - g for conductance) of 1 ΞΌS/mm^(2), calculate total membrane conductance and total membrane capacitance.

I get these values: total membrane conductance = 0.045 ΞΌS

total membrane capacitance = 0.45 nF

and from the conductance i calculate the resistance (1/0.45ΞΌS)= 22.22 m ℧

The lecturer emphasizes:

a. You set the cell’s capacitance, resistance, and resting potential (using the values calculated and defined above).

b. You set the initial condition V0 (i.e. V(t=0)) to V0 = Vrest and the current injected Ie to 100 pA starting at 100ms and finishing at 200 ms.

c. Your code updates V(t) at every time step using the exponential Euler method.

Matlab code:

%Cell Parameters

C = 0.45; % Capacitance in nF

R = 2.222e-11; % Resistance in MegaOhm

Vrest = -70; % Leakage current reversal potential in mV

% Integration parameters

dt = 0.1; % integration time-step in ms

Tdur = 1000; % simulation total time in ms

V0 = Vrest; % initial condition in mV

k = ceil(Tdur/dt); % total number of iterations

V = zeros(1,k+1); % Voltage vector in mV

V(1)=V0; % assigned to the first element of array V, the initial condition V0

% time vector

t = dt.*(0:k); % time vector in ms

% Current pulse parameters

Tstart = 100; % curent pulse start time in ms

Tstop = 200; % curent pulse stop time in ms

Iamplitude = 0.1; % current pulse amplitude in nA

I = zeros(1,k+1);

... keep reading on reddit ➑

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πŸ‘€︎ u/On_Don_Den
πŸ“…︎ May 20 2021
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Sharing partial computation in PoW blockchains?

Bitcoin and other proof of work blockchains are criticised for high energy consumption. As the mining difficulty increases it is going to be only worse. Would it be possible to lower the computational cost by sharing partial results? I mean, if I am looking for specific hash, it would be good to know what nonces I don’t need to try because somebody else tried that. Or is the possibility of computing the same hash twice for all the participants near zero?

Edit: nonce is the word, not seed

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πŸ‘€︎ u/AsIAm
πŸ“…︎ May 15 2021
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Should Wolfam Alpha, Symbolab, or Programming Language Apps be allowed on open book/note, open calculator Engineering/ Engineering Computations exams

There is a debate whether or not calculator apps such as Wolfam Alpha, Symbolab, or Programming Language Apps (i.e. Matlab, Maple, or C/C++) be treated same way as programmable calculator for take-home or open book engineering exams. In some of math and engineering sequences, professor have encouraged this tools to solve complex equations which cannot be solved by hand or scientific calculator. But, many other professors believe that those calculators apps, and even programming languages are obstruction to learning objectives and consider as dishonest practices. We need to use lot of programming languages though especially in computer sciences, as well as in computational mathematics, computational physics, and engineering computations courses. For my opinion I found Matlab and Maple very useful when solving Mathematics and Engineering Programming. Even though both of those languages are difficult to learn for first time, once you learn Maple, and Matlab, you can solve any calculus, diff eq, and engineering mechanics problem.

Unless otherwise stated in syllabus, I think those calculator/programming apps are acceptable tools to do homework, and open note/book/calculator exams. Most of the professor allows any calculators if you were given open-calculator exams. If you have any doubt, please feel free to either directly email the professor or ask questions in this forums? I will try my best answering your response on the comment within 24 hours.

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πŸ“…︎ May 30 2021
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UCSD Researchers Develop An Artificial Neuron Device That Could Reduce Energy Use and Size of Neural Network Hardware. The gadget uses 100 to 1000 times less energy and space than current CMOS-based technology to perform neural network computations marktechpost.com/2021/06/…
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πŸ‘€︎ u/QuantumThinkology
πŸ“…︎ Jun 04 2021
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Thoughts from any biomedical computation major

Hi guys :D

I'm a rising freshman, and I was hoping any past or present biomedical computation majors could share their thoughts on their general experience.

Also, is there any way to see reviews from students who have taken certain classes before? I know about Carta, and it's super helpful, but, just in case, is there anything else?

You can pretty much stop reading here if you're feeling lazy.

More specific stuff:

I'm not super set on biocomputation. So, would doing something broader, like majoring in MCS and minoring in humbio be a better approach?

I'm a little scared that this major is non-versatile for job-finding stuff after college-like I'd be stuck doing a certain kind of job-what do you guys think?

Is this major harder or easier than your average STEM major?

I'm tenuously considering pre-med, would this major be helpful if I were to go down that path?

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πŸ‘€︎ u/smileyay3162
πŸ“…︎ May 22 2021
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Book Recommendation for Theory of Computation

Does anybody know a good introductory book on the subject of the Theory of Computation? No buzz book recommendations (like recommending Axler to someone who is studying Linear Algebra for the first time). I'm a rising sophomore in CS. So, basically, a peasant in terms of knowledge. Please be considerate.

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πŸ‘€︎ u/Caldrex2025
πŸ“…︎ Jun 05 2021
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I was pretty stoked when I saw that I was admitted into Computer Sciences & Computation Arts...

Then, I saw that every class is full and waitlists are not even offered. Anyone had a similar experience ?

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πŸ“°︎ r/Concordia
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πŸ‘€︎ u/Obnoxious_Pigeon
πŸ“…︎ May 06 2021
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Computer Science, Theory of Computation and Automata test help

Hi there,

Looking for help with Computation Theory and Automata test this Friday from 5-7 EST. It is a computer science course based on discreet math. It is a two hour test. Will require knowledge on the below.

Sets, Sequences, Function and Relations, Alphabets strings and Languages, finite automata and Non-determinism.

Willing to pay well for a knowledgeable person on the subject. Since its a online test, 2 hour commitment is required. Thank you.

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πŸ“°︎ r/paidHomework
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πŸ“…︎ May 27 2021
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Beyond Quantum Computation: Constructor Theory | Chiara Marletto, Oxford University youtu.be/B2SSJmE0TeM
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πŸ‘€︎ u/Peter_P-a-n
πŸ“…︎ May 21 2021
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What are some good journals to follow on programming and computation? like computational models like term rewriting, lambda calculus and such. like the laws of physics for compsci en.wikipedia.org/wiki/Mod…
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πŸ‘€︎ u/paarulakan
πŸ“…︎ Apr 22 2021
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UST SHS Grade Computation

Hi! How is the grade computed in UST SHS ? Does it follow DepEd's grading system i.e. transmuted grades ? In my school right now , we follow the actual grade like 7/10 = 70%. I think in DepEd's standard grading system this actual grade will translate to 84%.

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πŸ“°︎ r/Tomasino
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πŸ“…︎ Jun 04 2021
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looking for: computation arts students

Hi!

I’m an incoming freshman at Concordia who’s going to take Comp Arts. I would like to ask for assistance in choosing the right courses for my first year studies.

Thank you!

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πŸ“°︎ r/Concordia
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πŸ‘€︎ u/Mental_Clock3530
πŸ“…︎ May 31 2021
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[iOS] [iPerf - Speed Test Tool] [$1.99 -> Free] [Port for iperf3, an advanced network testing and performance computation tool. Probably worthwhile for a small group only. First time free.] apps.apple.com/app/id9515…
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πŸ‘€︎ u/frickinnutter
πŸ“…︎ Apr 29 2021
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Florence Will Have 35% Cheaper Gas and Gas Computation Will Occur 10x As Fast (By Moving To Saturation Arithmetic from Zarith) blog.nomadic-labs.com/sou…
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πŸ‘€︎ u/textrapperr
πŸ“…︎ Apr 02 2021
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Scientific Computation Major

I was looking at the contents of this major, and it seems to be everything I like.

How marketable is this major though for someone wanting to work in the data science industry?

I would be declaring this as a second major next to Cognitive Sciences ML

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πŸ“°︎ r/UCSD
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πŸ‘€︎ u/20gunasart
πŸ“…︎ May 28 2021
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Quantum device performs 2.6 billion years of computation in 4 minutes arstechnica.com/science/2…
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πŸ“°︎ r/technews
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πŸ‘€︎ u/CostelloSS
πŸ“…︎ Dec 08 2020
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Chainlink 2.0 - releases new whitepaper in a shift toward smart contract computations cointelegraph.com/news/ch…
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πŸ“°︎ r/CryptoCurrency
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πŸ‘€︎ u/ag431397
πŸ“…︎ Apr 15 2021
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Do you expext Bitcoin mining to bocome so hard that there isn't nearly any device with the enough computation power to mine bitcoin anymore?
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πŸ“°︎ r/BitcoinBeginners
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πŸ‘€︎ u/alyaqd95
πŸ“…︎ Mar 11 2021
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Logic and Computation

Does anyone have feedback on Carl McTague for CS Logic and Comp? Also how would one sort of β€œprepare” beforehand this summer and look into what we learn during the semester to make sure I have a foundational understanding of the class?

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πŸ“°︎ r/bostoncollege
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πŸ‘€︎ u/mrbrotatochip12
πŸ“…︎ May 20 2021
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Calculation and Computation

Hi, I've been trying to pin down the meaning and distinctions of these word(also for calculate and compute) but checking out dictionaries and their semantic path, both words references each other in a circular way.

Send help.

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πŸ“°︎ r/etymology
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πŸ‘€︎ u/artbar3
πŸ“…︎ May 27 2021
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