April 2005
Intermediate to advanced
312 pages
9h 16m
English
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I/O Entropy: This Is Your Mouse Speaking
On almost every computer system, external devices communicate relevant asynchronous events, such information being made available from the network card or the keyboard, using a hardware interrupt mechanism. Each device has an assigned hardware interrupt (IRQ) number and reports important developments by changing the voltage on a designated hardware line inside the computer, corresponding to this particular IRQ. The change is then interpreted by a device called a programmable interrupt controller (PIC), which serves as a personal butler for the main processor (or processors).
Once instructed by the CPU, the PIC decides if, when, how, and with what priority to deliver requests from the external devices to ...
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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.