October 2015
Intermediate to advanced
688 pages
25h 57m
German
Content preview from CompTIA A+ - Vorbereitung auf die Prüfungen #220-801 und #220-802
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Kapitel 16: Was betreibt ein Betriebssystem?
Betriebssysteme bilden die Schnittstelle zwischen der Hardware und den Anwendungen. Obwohl jedes Betriebssystem einen eigenen Aufbau hat, gibt es funktionale Gemeinsamkeiten:
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Aufgaben des Betriebssystems
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Prozesse und Prozessverwaltung
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Abwickeln mehrerer Aufträge (Multitasking oder Multithreading)
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Speicherverwaltung
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Dateisysteme
16.1 Aufgaben eines Betriebssystems
Betriebssysteme erfüllen eine oder mehrere der folgenden Aufgaben:
Abstraktion
Technische Einzelheiten der Rechner-Hardware werden vom Betriebssystem so gekapselt, dass sie weder für den Bediener noch den Anwendungsprogrammierer sichtbar sind. Beispiele sind die Übersetzung von virtuellen in reale Adressen oder ...
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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.