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Mitschrieb Digitaltechnik (Technische Informatik)

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In dieser Zusammenfassung zur Vorlesung "Digitaltechnik" bzw. auch "Technische Informatik" geht es um folgende Inhalte: Codierung, Bool'sche Algebra, Schaltnetze und Schaltwerke Sie enthält neben den Erläuterungen auch immer Beispiele.

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Allgemein
Sonntag, 20. November 2022 19:18

Inhaltsübersicht:

0. Begriffe
1. Codierung
2. Bool'sche Algebra (insb. Schaltalgebra)
3. Schaltnetze
4. Schaltwerk
5. Weitere Halbleiter-Speichertechnologie

Digitaltechnik Seite 1

,0. Begriffe
Mittwoch, 11. Januar 2023 08:17

Digital <> analog

Digital: wertediskret ("stufige" Werte)
- zwischen zwei beliebigen Werten gibt es immer nur endlich viele Zwischenwerte
- zwischen zwei benachbarten Werten gibt es keine Zwischenwerte
- in die Wertemenge können auch unendlich viele Werte enthalten sein, Beispiel:
Natürliche Zahlen
- meist außerdem zeitdiskret
- getaktete Systeme
-> Werte ändern sich nur zu bestimmten Zeitpunkten
- unsere heutigen "Rechner" arbeiten alle digital

Analog: wertekontinuierlich
- zwischen zwei beliebigen (nicht gleichen) Werten gibt es immer unendlich viele
Zwischenwerte
- meist außerdem zeitkontinuierlich
- Werte liegen jederzeit an
-> die Werte können jederzeit beliebig geändert werden
- Unsere natürliche Welt erscheint analog

Digitaltechnik Seite 2

,1. Codierung
Mittwoch, 11. Januar 2023 08:37

Digitaltechnik Seite 3

, Definitionen
Mittwoch, 11. Januar 2023 08:41

Definition Codierung:
Darstellung von Informationen mit einem Symbol oder einer Symbolfolge aus einem
"Alphabet".

Definition Alphabet:
Ein Alphabet ist eine endliche Symbolmenge

Hinweis: Die Ausgangsinformation kann analog oder digital sein, die Zielinformation ist immer
digital.

Umcodierung:
Eine Umcodierung liegt vor, wenn die Ausgangsinformation bereits digital vorliegt und
"anders" dargestellt/codiert wird.

Signal:
Ein Signal ist eine physisch messbare Größe

Digitaltechnik Seite 4

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Institution: Duale Hochschule Baden-Württemberg Karlsruhe
Study: Informatik
Course: Digitaltechnik

Document information

Uploaded on: August 22, 2023
Number of pages: 33
Written in: 2023/2024
Type: Class notes
Professor(s): Roetig
Contains: All classes

Subjects

technische informatik
digitaltechnik
codierung
boolsche algebra
schaltnetze
schaltwerke
zahlensysteme
zahlencodierung
signalcodierung

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Mitschrieb Digitaltechnik (Technische Informatik)

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