Re: Java is going to have closures.
- From: "John Thingstad" <john.thingstad@xxxxxxxxx>
- Date: Fri, 01 Sep 2006 19:21:47 +0200
On Fri, 01 Sep 2006 18:31:28 +0200, Fabien LE LEZ <gramster@xxxxxxxxxxxx> wrote:
On Fri, 1 Sep 2006 02:07:32 +0100, Tim Bradshaw <tfb@xxxxxxxx>:
AFAIK, the slowest part in a hard drive, i.e. the mechanical part, is
the same for a PATA drive and a SATA drive.
Well, that's my point: probably they're not, because new drives may
well not be shipping with PATA.
I believe the controller card is pretty independant.
And it's pretty soon to put PATA drives into their grave -- lots of
PATA disks are still being sold.
But anyway, my point is, there isn't much evolution in hard drives'
mechanical parts: the platters still turn at 7200 rpm, like five years
ago.
For one thing you can get drives with 10 000 rpm and 15 000 rpm.
They just cost a lot more. Secondly the density has gone up
tremendously. So you pass more sectors pr time. Thus the drives
are actually faster. Third the drives are much smaller
1 inch instead of 3 inch height. Also the drives are
much quieter. Then also we have the addition of micro-drives
and memory cards.
So actually hard drives have evolved significantly.
I payed about 100 $ for 2 160 GB drives.
A 1 Gb memory stick the size of a key chain. 40 $
What would a similar capacity have cost 5 years ago?
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