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» Home » Equipment Hard
Drives: Not Hard to Understand! Hard drives are actually very similar to the record players of yesteryear (dating myself). A motor begins spinning a flat, round platter at a consistent speed, between 3,600 and 12,000 rotations per minute (RPM). A small arm moves over the platter, like a recordplayer's needle, and reads and writes data. These days, hard drives actually contain several of these platters which are stacked in a vertical manner and are coated with a very small coating of magnetic material. Data can be found on either side of these disks so two sets of arms are required — one to read each side. These mechanisms are sealed in airtight containers within your computer so that dust and other bits can't get in and mess things up. It used to be that the size of a hard drive was measured in megabytes
or even kilobytes but today, they're measured
in gigabytes. How much do you need? Well, it
all depends on what you're using the system for. If you're just doing
word-processing and web-surfing, a gigabyte will
probably be all you'll ever need. You'll probably want a newer and faster
computer before you run out of disk space. If you want to do graphic design,
get the largest hard drive you can afford and get a form of transport
media (like a Jaz drive) as well. Few graphic
designers ever complain that they have too much hard drive space —
it's more likely they're running out of it! Tip: Want info on Graphic Design classes near you? Visit our guide of top design schools.  Some
Links You May Find Useful
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hard drive is what contains the 
