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1. Was ist ein Computer?

  • 2017
  • OriginalPaper
  • Chapter
Published in:
Author
Eckart Zitzler
Published in
Dem Computer ins Hirn geschaut
Publisher
Springer Berlin Heidelberg

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Zusammenfassung

Dieses Kapitel beschäftigt sich mit dem Wesen des Computers und stellt eine Einführung in die automatisierte Informationsverarbeitung dar. Zunächst gehen wir der Frage nach, was einen Computer ausmacht und welche Ideen ihm zugrunde liegen. Dazu unternehmen wir einen Streifzug durch die Geschichte und werfen einen Blick auf die wichtigsten Innovationen, die zum modernen Computer geführt haben. Zudem lernen wir die Turing-Maschine kennen, eine skurrile, minimalistische Rechenmaschine, die zunächst nur in der Vorstellung existiert und trotzdem für die Informatik von zentraler Bedeutung ist; an ihr studieren wir die Grundprinzipien eines Computers konkret und anschaulich. Schließlich wechseln wir die Perspektive und untersuchen anhand einer Bakterie, wie in der Natur Informationen verarbeitet werden. Wir stellen die Bakterie der Turing-Maschine gegenüber und entdecken verblüffende Analogien. Dass es sich dabei nicht nur um eine philosophische Betrachtung handelt, sehen wir am Schluss: wenn sich nämlich Biologie und Informatik in der Realität treffen und es darum geht, mit DNA-Molekülen zu rechnen.

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next chapter Schalten und Walten
Title
Was ist ein Computer?
Author
Eckart Zitzler
Copyright Year
2017
Publisher
Springer Berlin Heidelberg
Book
Dem Computer ins Hirn geschaut

Print ISBN: 978-3-662-53665-0

Electronic ISBN: 978-3-662-53666-7

Copyright Year: 2017

DOI
https://doi.org/10.1007/978-3-662-53666-7_1
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