Modernize and expand the description of what a disk / storage device is
in an effort to make it more general and less confusing at the same time.
This commit is contained in:
parent
21ad6bd14a
commit
eec422a274
Notes:
svn2git
2020-12-08 03:00:23 +00:00
svn path=/head/; revision=16414
1 changed files with 10 additions and 6 deletions
|
@ -116,12 +116,16 @@ now. -->
|
||||||
</listitem>
|
</listitem>
|
||||||
|
|
||||||
<listitem>
|
<listitem>
|
||||||
<para>disk: A circular disc, covered with magnetic or
|
<para>disk: Hard disks, CDROMs, magneto-optical devices and
|
||||||
similarly manipulable material, spun by a motor under a
|
Zip/Jazz removable media are example of storage devices
|
||||||
head. Data is stored on the disk by changing the pattern
|
commonly used today. The basic principle of the way these
|
||||||
of magnetism on the disc, which can be later read. Hard
|
work is that one or more spinning disks spin by a motor,
|
||||||
disks, CDROMs, Magneto-optical,and Zip/Jaz removables are
|
while a head, moving on a radial path close to the disks,
|
||||||
examples of disks.</para>
|
reads from or writes data to the disk. Writing is done by
|
||||||
|
modifying some physical properties of the disk (magnetic
|
||||||
|
flow, reflectivity, etc.) while reading is done by
|
||||||
|
<quote>detecting</quote> changes to the same physical
|
||||||
|
properties of the disk.</para>
|
||||||
</listitem>
|
</listitem>
|
||||||
|
|
||||||
<listitem>
|
<listitem>
|
||||||
|
|
Loading…
Reference in a new issue