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\addcontentsline{toc}{section}{Exercise 0 - Warm Up}
\section*{Exercise 0 -- Warm Up}

Make up your mind of communication technologies and how they can be used. This exercise does not cover the actual course content, but shall give you an introduction to the topic of \emph{digital communication systems}.

\begin{question}
	Name 5 communication devices of your every-day life!
\end{question}

\begin{solution}
	\begin{itemize}
		\item Cell phone (Wifi, 4G, Bluetooth)
		\item TV
		\item PC (Wifi, Ethernet, Bluetooth)
		\item Access control key fob
		\item Bluetooth headset
	\end{itemize}
\end{solution}

\begin{question}
	Name 5 possible areas of application for digital communication systems! Describe them briefly!
\end{question}
