August 2024
Beginner
188 pages
4h 25m
English
Content preview from Essential Computer Hardware
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CD/DVD/Blu-ray Drive
Another dying breed, this drive allows you to play CDs, watch DVDs or Blu-Ray movies that come on a disc.
The surface of the disc is marked with pits. This is how the data is encoded onto the disc. Each time a pit is encountered, the laser beam is not reflected and is interpreted as a 0. If there is no pit, the laser beam is reflected and is interpreted as a 1.
Here we’ve removed the metal casing so you can see the components inside.
A stepper motor moves the laser head assembly back and forth to the correct track on the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.