diff --git a/images/hardwarediagram.png b/images/hardwarediagram.png
new file mode 100644
index 0000000..bfa5296
Binary files /dev/null and b/images/hardwarediagram.png differ
diff --git a/images/linux_mint.png b/images/linux_mint.png
new file mode 100644
index 0000000..c113602
Binary files /dev/null and b/images/linux_mint.png differ
diff --git a/slides/04.WhatIsAnOs.tex b/slides/04.WhatIsAnOs.tex
index 30e0c2f..4b8884b 100644
--- a/slides/04.WhatIsAnOs.tex
+++ b/slides/04.WhatIsAnOs.tex
@@ -6,6 +6,14 @@
 
 \section{Was ist ein Betriebssystem?}
 
+\begin{frame}
+	\frametitle{Definition}
+	\begin{figure}
+		\centering
+		\includegraphics[scale=0.1]{images/hardwarediagram.png}
+	\end{figure}
+\end{frame}
+
 \begin{frame}
 	\frametitle{Definition}
 	\begin{figure}
@@ -23,9 +31,9 @@
 \end{frame}
 
 \begin{frame}
-	\frametitle{Ubuntu}
+	\frametitle{Linux Mint}
 	\begin{figure}
 		\centering
-		\includegraphics[scale=0.5]{images/Ubuntu-logo-2022.svg.png}
+		\includegraphics[scale=0.5]{images/linux_mint.png}
 	\end{figure}
 \end{frame}