June 2014
Beginner to intermediate
208 pages
7h 14m
English
Content preview from Computer Interfacing
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Computer interfacing
Hard disk systems
Hard disks, also known as Winchesters, are of rigid con-
struction, hence the name. The disks are usually made
from aluminium, coated with a magnetic material such
as ferric oxide or chromium oxide. The special aerody-
namically shaped head is known as a flying
head,
and fly
heights of 0.5-3 microns are usual (a micron is a mil-
lionth part of a metre). The heads can be designed to
take off from, and land on the disk surface, this feature
being characteristic of Winchester drives. The disk sur-
face is lubricated to minimise the risk of damage. The
complete system is hermetically sealed to provide a dust-
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.