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Old 07-06-2006, 06:37 PM   #1 (permalink)
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Default computer/technology quiz

i will start by asking a question then whoever answers correctly will ask the next

#1 What is the fastest "super-computer"?
(hint: this is from 2002 or b4)
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Quote:
Originally Posted by Encore4More View Post
obviously 2 7900GTs over 1 7950GTX
think about it... 2 7900GTs:
7900+7900=15800
that is obviously a much higher number than 7950...
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Old 07-06-2006, 06:50 PM   #2 (permalink)
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In 2002, the NEC Earth Simulator located in Japan was the fastest supercomputer.

As of now, the IBM BlueGene is the fastest supercomputer.

#2. You have 3 resistors in a parallel circuit.

-The power source is 17.299v.
-R1 is 680 ohms.
-R2 is 1500 ohms.
-R3 is 470 ohms.

Knowing this information, calculate the following:

RT (resistance total)
IT (current total)
IR1 (current passing through R1)
IR2 (current passing through R2)
IR3 (current passing through R3)
VR1 (voltage passing through R1)
VR2 (voltage passing through R2)
VR3 (voltage passing through R3)
PT (power total)
PR1 (power passing through R1)
PR2 (power passing through R2)
PR3 (power passing through R3)

Last edited by Clutch; 07-06-2006 at 06:59 PM.
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Old 07-06-2006, 06:55 PM   #3 (permalink)
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my source saye the RA/6000 ASCI White
but ill give it to you cause you prolly know more than me.
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i must not be pushing my overclock hard enough, my computer hasn't crashed in 3 days

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Quote:
Originally Posted by Encore4More View Post
obviously 2 7900GTs over 1 7950GTX
think about it... 2 7900GTs:
7900+7900=15800
that is obviously a much higher number than 7950...
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Old 07-06-2006, 06:59 PM   #4 (permalink)
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Um...well that was rather pointless...
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Old 07-06-2006, 07:09 PM   #5 (permalink)
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Quote:
Originally Posted by YEA_PC_PHONICS
my source saye the RA/6000 ASCI White
but ill give it to you cause you prolly know more than me.
The ASCI White can only do 12.3 teraflops. The NEC Earth Simulator can do 40 teraflops and the IBM BlueGene can do 360 teraflops.

Oh, and I edited my above post to include question #2.

Last edited by Clutch; 07-06-2006 at 07:15 PM.
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Old 07-06-2006, 07:38 PM   #6 (permalink)
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oh man clutch be nice its summer i dont want to use what i learned in physics last year. ill let somebody else fry thier brain.
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i must not be pushing my overclock hard enough, my computer hasn't crashed in 3 days

RIP DIMEBAG

Quote:
Originally Posted by Encore4More View Post
obviously 2 7900GTs over 1 7950GTX
think about it... 2 7900GTs:
7900+7900=15800
that is obviously a much higher number than 7950...
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Old 07-06-2006, 08:32 PM   #7 (permalink)
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Quote:
Originally Posted by Clutch
In 2002, the NEC Earth Simulator located in Japan was the fastest supercomputer.

As of now, the IBM BlueGene is the fastest supercomputer.

#2. You have 3 resistors in a parallel circuit.

-The power source is 17.299v.
-R1 is 680 ohms.
-R2 is 1500 ohms.
-R3 is 470 ohms.

Knowing this information, calculate the following:

RT (resistance total)
IT (current total)
IR1 (current passing through R1)
IR2 (current passing through R2)
IR3 (current passing through R3)
VR1 (voltage passing through R1)
VR2 (voltage passing through R2)
VR3 (voltage passing through R3)
PT (power total)
PR1 (power passing through R1)
PR2 (power passing through R2)
PR3 (power passing through R3)
This is what I came up with after doing some calculations, "electric theory" isn't one of my fields of expertise. Hopefully I will be corrected if there are mistakes and I will learn from them.

RT (resistance total)=680ohms
IT (current total)=0.073778755A
IR1 (current passing through R1)=0.025439705A
IR2 (current passing through R2)=0.011532666A
IR3 (current passing through R3)=0.036806382A
VR1 (voltage passing through R1)=17.299V
VR2 (voltage passing through R2)=17.299V
VR3 (voltage passing through R3)=17.299V
PT (power total)=1.276298692W
PR1 (power passing through R1)=0.440081472W
PR2 (power passing through R2)=0.1995036W
PR3 (power passing through R3)=0.636713619W
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Old 07-06-2006, 08:49 PM   #8 (permalink)
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Quote:
Originally Posted by mrjack
This is what I came up with after doing some calculations, "electric theory" isn't one of my fields of expertise. Hopefully I will be corrected if there are mistakes and I will learn from them.

RT (resistance total)=680ohms
IT (current total)=0.073778755A
IR1 (current passing through R1)=0.025439705A
IR2 (current passing through R2)=0.011532666A
IR3 (current passing through R3)=0.036806382A
VR1 (voltage passing through R1)=17.299V
VR2 (voltage passing through R2)=17.299V
VR3 (voltage passing through R3)=17.299V
PT (power total)=1.276298692W
PR1 (power passing through R1)=0.440081472W
PR2 (power passing through R2)=0.1995036W
PR3 (power passing through R3)=0.636713619W
it is wrong.. total resitance should be 234ohms
i'll be damned if im gonna sit and work out the rest
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Old 07-06-2006, 09:03 PM   #9 (permalink)
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Quote:
Originally Posted by mrjack
This is what I came up with after doing some calculations, "electric theory" isn't one of my fields of expertise. Hopefully I will be corrected if there are mistakes and I will learn from them.

RT (resistance total)=680ohms
IT (current total)=0.073778755A
IR1 (current passing through R1)=0.025439705A
IR2 (current passing through R2)=0.011532666A
IR3 (current passing through R3)=0.036806382A
VR1 (voltage passing through R1)=17.299V
VR2 (voltage passing through R2)=17.299V
VR3 (voltage passing through R3)=17.299V
PT (power total)=1.276298692W
PR1 (power passing through R1)=0.440081472W
PR2 (power passing through R2)=0.1995036W
PR3 (power passing through R3)=0.636713619W
Except for the RT, you got every one right.

The formula to calculate the RT is:

(1/(1/R1+1/R2+1/R3))

So to input the numbers into the formula would make it as shown:

(1/(1/680+1/1500+1/470)) = as apj101 said, 234.47 Ohms.
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Old 07-06-2006, 09:04 PM   #10 (permalink)
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ok does that mean me or mrjack get the next question?
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can you smell carrot?

The fight is won or lost far away from witnesses - behind the lines, in the gym, and out there on the road, long before I dance under those lights.

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