- Joined
- May 15, 2006
I love that exampleIt's like asking how many slopes (remember from Algebra, rise over run) does an apple weigh.
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I love that exampleIt's like asking how many slopes (remember from Algebra, rise over run) does an apple weigh.
Yup, fire up a virtual machine with an ISO as the cd drive. Watch a windows install (moving files, getting drivers) and you will be amazed. It takes about a second or two to load all the drivers (which normally takes minutes on my computer) and copying all the files take a good 15 seconds (again minutes regular).Slowest part is the DVD / Cd drive
I think Moto is getting too caught up in the technicalities of it rather than seeing it as an anology.
Me said:If they were trying to equate anything between the two measures, it was just metaphorically, i.e. a 7200RPM drive is like a 2GHz C2D as a 15K RPM drive is to a 4GHz C2D.
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I'm still sure the reason they tried to equate rotational speed to processor clock speed was to impress on the reader the idea that a faster drive makes for a faster overall system and thats it.
This thread is a riot lol.
Now I guess you could convert the hard drive into mhz if you consider latency analogous to hertz. Say you have a processor running at 3 Ghz. The registers would have a latency of 1/(3*10^9) seconds or 0.33ns analogous to 3 Ghz. Now say your hard drive has an access time of 5ms; that would be analogous to 15 Mhz.
Well if you look at a computer as a memory hierarchy then yes the hard drive is one of the slowest parts of the system. If you look at it from the top it goes registers (accumulator) -> cache (L1/2/3) -> main memory (RAM) -> flash memory (USB Drive) -> disk storage (Hard Drive) -> tertiary storage - optical disk (DVD-ROM Drive). Every level down there is an increase in latency and a decrease in throughput.
Now I guess you could convert the hard drive into mhz if you consider latency analogous to hertz. Say you have a processor running at 3 Ghz. The registers would have a latency of 1/(3*10^9) seconds or 0.33ns analogous to 3 Ghz. Now say your hard drive has an access time of 5ms; that would be analogous to 15 Mhz.
You guys have to stop thinking pure computer and just general physics.
A hertz is a cylce/second of anything, not just CPU's.
Most North American Household power is supplied as 120V and 60Hz. The AC cycles 60 times/second.
If you take a 7200 rpm drive. That spins 7200 revolutions per minute. That equals 7200 revolutions per 60 seconds or 7200/60 = 120 revolutions per second. In otherwords 120 cycles/second or 120 Hz.