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[SB] 14-Qubit Quantum Register: A New World Record - Page 2

post #11 of 23
Quote:
Originally Posted by Manyak;12968790 
Ok well technically you only needed 64kB of ram to run DOS, but if you want to actually do anything with it that remotely resembles what we do on PCs now, you'll need 1MB. Even if all you did was open up Lotus 1-2-3, you'd be limited in the size of the spreadsheets you could make.

And yeah you're right about the division of memory. The space between 640kB and 1MB was used for the video memory and other expansion cards.

If you want a good read, you should look up how DOS (and PCs) started managing memory after the first MB. Look up the upper memory area, high memory area, extended memory, expanded memory, and the A20 line.

Good stuff, I shall check that out. My historical knowledge is pretty much on the Intel 8086 and the one after that(memory's failing atm). Maybe I'll look up some old Motorola procs and the likes.
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post #12 of 23
Quote:
Originally Posted by EduFurtado;12969132 
light's speed.

i am assuming that means much faster then terahertz.


idk why i am adding this part, but i have to.

you cant compare Distance/Time to Operations/Time biggrin.gif.
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post #13 of 23
How much would they need for for instant video/audio conferencing (assuming the entanglement reliability issues are eventually solved) ala mass effect 2?
post #14 of 23
Thread Starter 
683px-Transistor_Count_and_Moore%27s_Law_-_2008.svg.png

In 2007 the same lab made an 8 bit register. With a 14 bit register in 2011, maybe the quantum Moore's law is qubit count doubling every 4 years? I hope!

QC will be highly specialized when first introduced. Think about IBM in the 50's. We won't get our overclocking hands on one for many decades, if not centuries. The benefits/applications of QC are almost all in cryptology or physics computing right now. Wiki has this on its QC page.
Quote:
Consider a problem that has these four properties:

1. The only way to solve it is to guess answers repeatedly and check them,
2. The number of possible answers to check is the same as the number of inputs,
3. Every possible answer takes the same amount of time to check, and
4. There are no clues about which answers might be better: generating
possibilities randomly is just as good as checking them in some special order.

An example of this is a password cracker that attempts to guess the password for an encrypted file (assuming that the password has a maximum possible length). For problems with all four properties, the time for a quantum computer to solve this will be proportional to the square root of the number of inputs. That can be a very large speedup, reducing some problems from years to seconds. It can be used to attack symmetric ciphers such as Triple DES and AES by attempting to guess the secret key.

Google, the Pentagon, and Walmart will have one before this century is out. I hope I'm around to see if my prediction is correct!
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post #15 of 23
Quote:
Originally Posted by Zaid;12969337 
i am assuming that means much faster then terahertz.


idk why i am adding this part, but i have to.

you cant compare Distance/Time to Operations/Time biggrin.gif.

well how big is an atomic element's circumference?
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post #16 of 23
Oh noes, you can't overclock a CPU already running at the speed of light.... or can you? biggrin.gif
post #17 of 23
Quote:
Originally Posted by nmdehaan;12970029 
683px-Transistor_Count_and_Moore%27s_Law_-_2008.svg.png

In 2007 the same lab made an 8 bit register. With a 14 bit register in 2011, maybe the quantum Moore's law is qubit count doubling every 4 years? I hope!

QC will be highly specialized when first introduced. Think about IBM in the 50's. We won't get our overclocking hands on one for many decades, if not centuries. The benefits/applications of QC are almost all in cryptology or physics computing right now. Wiki has this on its QC page.



Google, the Pentagon, and Walmart will have one before this century is out. I hope I'm around to see if my prediction is correct!

Misleading non-linear scale is misleading...
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post #18 of 23
Quote:
Originally Posted by Nightbird;12970672 
Oh noes, you can't overclock a CPU already running at the speed of light.... or can you? biggrin.gif

Can you overclock a computer running at 60 miles per hour? It's the same question, only the actual speed has changed. Maybe you could overclock a quantum computer by tweaking the entanglement process. Maybe I'm just making stuff up and hoping that it sounds good.
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post #19 of 23
Quote:
Originally Posted by MrDeodorant;12971206 
Can you overclock a computer running at 60 miles per hour? It's the same question, only the actual speed has changed. Maybe you could overclock a quantum computer by tweaking the entanglement process. Maybe I'm just making stuff up and hoping that it sounds good.

Well if we're working with light then the only way to make light go "faster" (perceptually, not actually) is to exploit quantum tunnelling. Good luck to future overclockers who manage to do that.
post #20 of 23
Quote:
Originally Posted by voice;12971432 
Well if we're working with light then the only way to make light go "faster" (perceptually, not actually) is to exploit quantum tunnelling. Good luck to future overclockers who manage to do that.

Oh yea, WARP powered computers he we come!applaud.gif
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