Rescue some slides from old private mono repos

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+\begin{frame}
+  \frametitle{Motivation}
+  \begin{columns}
+    \begin{column}{0.59\linewidth}
+      \includegraphics[height=0.8\textheight]{img/computers-everywhere}
+      %\burl{http://images.slideplayer.com/26/8674558/slides/slide_3.jpg}
+    \end{column}
+    \begin{column}{0.39\linewidth}
+      \begin{itemize}
+        \item What can a computer do?
+        \item How do you choose one?
+      \end{itemize}
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Learning outcome based on syllabus}
+  \begin{itemize}
+    \item Describe the components of a computer and their interaction
+      (ISGA01)
+    \item Give an account of the components of a computer and their
+      interaction (ISGA06)
+    \item Give an account of the components of a computer and how they interact
+      (ISGA90)
+  \end{itemize}
+  \vfill\centering
+  \smartdiagramset{
+    sequence item height=1.75cm,
+    sequence item width=2.5cm,
+    sequence item text width = 2.4cm,
+  }
+  \smartdiagram[sequence diagram]{%
+    What is a computer?,%
+    How is information processed?,%
+    Hardware components and purpose?%
+  }
+\end{frame}
+
+%\begin{frame}
+%  \frametitle{The first computers}
+%  %The first computer? Z3 by Konrad Zuse (Germany, 1941)}
+%  \begin{columns}
+%    \begin{column}{0.59\textwidth}
+%      \includegraphics[width=\textwidth]{img/z3}
+%      %\burl{https://www.livescience.com/20718-computer-history.html}
+%    \end{column}
+%    \begin{column}{0.39\textwidth}
+%      % Say but not in slide:
+%      % - Brief history of Zuse (it's a funny story)
+%      % - Z3 destroyed in world-war II, rebuild in 1960 and now in museum
+%      % - MUL -> 3s :)
+%      \begin{itemize}
+%        \item 2000 `brain cells'
+%        \item Program is a punched film\footnotemark
+%        \item Keyboard for input
+%        \item Lamps for output
+%      \end{itemize}
+%      Other:
+%      \begin{itemize}
+%        \item ENIAC (1946)
+%      \end{itemize}
+%    \end{column}
+%  \end{columns}
+%  \footnotetext[1]{\tiny{Play with punch cards: \burl{https://www.vintageisthenewold.com/living-like-the-pioneers-code-fortran-in-a-punch-card/}}}
+%\end{frame}
+
+\begin{frame}
+  \frametitle{A typical computer}
+  \centering\includegraphics[width=0.7\textwidth]{img/binary}
+  %\burl{http://amusementpark3.blogspot.com/2010/10/blog-entry-41.html}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Current computer definitions in Swedish and English}
+  \begin{itemize}
+    \item Digital enhet f\"{o}r ber\"{a}kning, symbolbehandling och
+      kommunikation\footnote{%
+        \burl{https://www.ne.se/uppslagsverk/encyklopedi/l\%C3\%A5ng/dator}
+      }
+    \item An electronic device for storing and processing data, typically in
+      binary form, according to instructions given to it in a variable program%
+      \footnote{%
+        \burl{https://en.oxforddictionaries.com/definition/computer}
+      }
+    \item A computer is a device that can be instructed to carry out sequences
+      of arithmetic or logical operations automatically via computer
+      programming\footnote{%
+        \burl{https://en.wikipedia.org/wiki/Computer}
+      }
+  \end{itemize}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Information theory}
+  \begin{columns}
+    \begin{column}{0.79\textwidth}
+      \begin{itemize}
+        \item The smallest piece of information is binary
+        \item One `bit' represents a zero or a one
+        \item Example of sending a single bit?
+        \item Example of sending multiple bits?
+        %  
+      \end{itemize}
+    \end{column}
+    \begin{column}{0.19\textwidth}
+      \centering\includegraphics[width=\textwidth]{img/light-bulb}
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{What does this mean?}
+  \centering\Huge{\texttt{%
+    01011001%
+    01101111%
+    01100100%
+    01100001%
+  }}
+  \large\vfill\pause
+  \alert{Many different things...}
+  \vfill
+  \centering
+  \begin{itemize}
+    \item 32-bit unsigned integer: 1500472417
+    \item 32-bit floating point: $4.21143045\cdot 10^{15}$
+    \item Groups of 8 bits: 89,~111,~100,~97
+      \begin{itemize}
+        \item Byte
+        \item Number between 0--255 (\alert{why?})
+      \end{itemize}
+  \end{itemize}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Information theory continued}
+  \begin{columns}
+    \begin{column}{0.49\textwidth}
+      Decimal numbers as we know them:
+      \begin{flalign*}
+        107 &=
+          \textcolor{red}{1}\cdot100 +
+          \textcolor{red}{0}\cdot10 +
+          \textcolor{red}{7}\cdot1 \\
+            &=
+          \textcolor{red}{1}\cdot\textcolor{blue}{10}^2 +
+          \textcolor{red}{0}\cdot\textcolor{blue}{10}^1 +
+          \textcolor{red}{7}\cdot\textcolor{blue}{10}^0
+      \end{flalign*}
+      A position is associated with 0--9 \\
+      A position is weighted by $10^i$, $i\geq0$\\
+      This is known as base \textcolor{blue}{10} \\
+      \vspace{1cm}
+      \pause
+      \alert{Why is this intuitive for us?}
+      \pause
+    \end{column}
+    \begin{column}{0.49\textwidth}
+      Binary numbers follow the same idea:
+      \begin{flalign*}
+         1101 &=
+          \textcolor{red}{1}\cdot8 +
+          \textcolor{red}{1}\cdot4 +
+          \textcolor{red}{0}\cdot2 +
+          \textcolor{red}{1}\cdot1 \\
+            &=
+          \textcolor{red}{1}\cdot\textcolor{blue}{2}^3 +
+          \textcolor{red}{1}\cdot\textcolor{blue}{2}^2 +
+          \textcolor{red}{0}\cdot\textcolor{blue}{2}^1 +
+          \textcolor{red}{1}\cdot\textcolor{blue}{2}^0 = 13
+      \end{flalign*}
+      A position is associated with 0--1 \\
+      A position is weighted by $2^i$, $i\geq0$\\
+      This is known as base \textcolor{blue}{2} \\
+      \vspace{1cm}
+      \pause
+      \alert{Why is this intuitive for a computer?}
+    \end{column}
+  \end{columns}
+  \centering
+  \vfill
+\end{frame}
+
+\begin{frame}
+  \frametitle{Now you can proudly wear this T-shirt!}
+  \centering\includegraphics[height=0.8\textheight]{img/binary-joke}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Be aware of different unit systems}
+  \begin{columns}
+    \begin{column}{0.49\textwidth}
+      \begin{tabular}{ccc}
+        \toprule
+        \textbf{unit} & \textbf{abbreviation} & \textbf{meaning} \\
+        \midrule
+        kilo & k & $10^3$ \\
+        mega & M & $10^6$ \\
+        giga & G & $10^9$ \\
+        tera & T & $10^{12}$ \\
+        \bottomrule
+      \end{tabular}\\
+      \vspace{6pt}
+      (Decimal numbers as we know them)
+      \vfill
+    \end{column}
+    \begin{column}{0.49\textwidth}
+      \begin{tabular}{ccc}
+        \toprule
+        \textbf{unit} & \textbf{abbreviation} & \textbf{meaning} \\
+        \midrule
+        kibi & Ki & $2^{10}$ \\
+        mebi & Mi & $2^{20}$ \\
+        gibi & Gi & $2^{30}$ \\
+        tebi & Ti & $2^{40}$ \\
+        \bottomrule
+      \end{tabular}\\
+      \vspace{6pt}
+      (Binary numbers, note $2^{10}=1024$)\\
+    \end{column}
+  \end{columns}
+  \pause
+  \vfill\centering
+  \alert{``I bought a 500~GB hard drive, but Windows says it is 465.7~GB?''}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Amercian Standard Code for Information Interchange}
+  \begin{columns}
+    \begin{column}{0.79\textwidth}
+      \centering\includegraphics[height=0.9\textheight]{img/ascii}
+      %\burl{https://simple.wikipedia.org/wiki/ASCII\#/media/File:ASCII-Table-wide.svg}
+    \end{column}
+    \begin{column}{0.24\textwidth}
+      \begin{itemize}
+        \item 89: Y
+        \item 111: o
+        \item 100: d
+        \item 97: a
+        \pause
+        \item \aa, \"{a}, \"{o}?
+          \begin{itemize}
+            \item UTF-8
+            \item UTF-16
+            \item UTF-32
+          \end{itemize}
+      \end{itemize}
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Divide yourself into small groups}
+  %% Name required (or optional) parts in a typical computer
+  \centering
+  \includegraphics[height=0.5\textheight]{img/group}
+  \\\Huge{Interactive exersice}
+\end{frame}
+
+\begin{frame}
+  \frametitle{My office setup\footnote{\burl{https://www.dustinhome.se/favorites/index/9620211}}}
+  \begin{columns}
+    \begin{column}{0.49\textwidth}
+      Computer case containing:
+        \begin{itemize}
+          \item Central Processing Unit (CPU)
+          \item Random Access Memory (RAM)
+          \item Solid State Drive (SSD)
+          \item Hard drive (HDD)
+          \item Power Supply Unit (PSU)
+          \item Fan for CPU cooling
+          \item Motherboard
+        \end{itemize}
+    \end{column}
+    \begin{column}{0.49\textwidth}
+      \centering
+      \includegraphics[height=0.4\textheight]{img/case1}
+      \includegraphics[height=0.4\textheight]{img/case2}
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Central Processing Unit (CPU) \titlefloatright{`Processor'}}
+  \begin{columns}
+    \begin{column}{0.59\textwidth}
+      \begin{itemize}
+        \item Does most of the computing
+        \item Instruction set
+          \begin{itemize}
+            \item load
+            \item store
+            \item add
+            \item conditional jump
+            \item ...
+          \end{itemize}
+        \item Registers
+        \item Clock speed
+        \item Number of cores
+      \end{itemize}
+    \end{column}
+    \begin{column}{0.39\textwidth}
+      \centering
+      \includegraphics[width=\textwidth]{img/cpu}
+      Intel Core i7 7700K / 4.2~GHz processor LGA1151 Socket
+    \end{column}
+  \end{columns}
+  \vfill\pause\centering\alert{Is faster clock speed always better?}
+\end{frame}
+
+\begin{frame}
+   \frametitle{Gordon Moore predicted the number of transitors on a dense 
+    integrated circuit}
+   \begin{columns}
+    \begin{column}{0.59\textwidth}
+       \includegraphics[width=\textwidth]{img/moores-law}
+       \burl{https://en.wikipedia.org/wiki/Moore\%27s\_law\#/media/File:Moore\%27s\_Law\_Transistor\_Count\_1971-2016.png}
+    \end{column}
+    \begin{column}{0.49\textwidth}
+      \begin{itemize}
+        \item Moore's law
+          \begin{itemize}
+            \item 1965: doubles every year
+            \item 1975: doubles every two years
+            \item $\approx$2025: dead
+          \end{itemize}
+        \item David House
+          \begin{itemize}
+            \item 18 months $\rightarrow$ 2x performance
+          \end{itemize}
+      \end{itemize}
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Different types of memory, all storing zeros and ones only!}
+  \begin{columns}
+    \begin{column}{0.49\textwidth}
+      \input{img/memory}
+    \end{column}
+    \begin{column}{0.49\textwidth}
+      \begin{itemize}
+        \item HDD: `h\aa{}rddisk'
+        \item SSD: `typ en h\aa{}rddisk'
+        \item RAM: `internminne eller arbetsminne'
+        \item Cache: on and nearby the CPU 
+        \item Register: on the CPU
+      \end{itemize}
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Different types of memory continued}
+  \begin{columns}
+    \begin{column}{0.33\textwidth}
+      \centering
+      HDD \\
+      \includegraphics[width=\textwidth]{img/hdd}\\
+      WD Blue 4TB 3.5" Serial ATA-600 \\
+    \end{column}
+    \begin{column}{0.33\textwidth}
+      \centering
+      SSD \\
+      \includegraphics[width=\textwidth]{img/ssd} \\
+      Crucial MX500 500GB Serial ATA-600 \\
+    \end{column}
+    \begin{column}{0.33\textwidth}
+      \centering
+      RAM \\
+      \includegraphics[width=\textwidth]{img/ram} \\
+      CORSAIR V LPX 32GB (2X16) DDR4 2400MHZ \\
+    \end{column}
+  \end{columns}
+  \vspace{1cm}
+
+  \pause
+  \begin{columns}
+    \begin{column}{0.49\textwidth}
+      \begin{itemize}
+        % biggest different is no moving vs moving parts
+        % # most important from my point of view
+        % - life time: no moving parts -> survive longer
+        % - speed: no moving parts -> less work to do stuff
+        % - price per GB: ssd much more expensive due to underlying tech
+        % # important depending on use-case
+        % - noise (ssd < hdd)
+        % - temperature (ssd < hdd)
+        % - energy consumption (ssd < hdd)
+        % - weight (ssd < hdd)
+        %
+        % See more at: https://www.netonnet.se/Content/Info/ssd
+        \item Trade-offs between SSD and HDD?
+      \end{itemize}
+    \end{column}
+    \begin{column}{0.49\textwidth}
+      \begin{itemize}
+        % Depends on your use-case!
+        \item How much RAM do you need?
+      \end{itemize}
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Motherboard (or, the thing everything is attached to)
+    \titlefloatright{`Moderkort'}}
+  % ATX power connector: this is where you connect PSU
+  % IDE connector: for hard drive, dvd, etc (newer: SATA)
+  % North bridge or `memory controller': controls transfers between CPU
+  %   and RAM; hence it is nearby both of these components
+  % South bridge or `input/output controller': manages controllers between
+  %   peripheral devices.
+  % The term `bridge' is generally used when connecting two buses
+  % Dynamic Vs Static ram -> has to do with underlying tech; static is
+  %   faster but more expensive
+  % CMOS Backup battery: to remember important stuff while shutdown, e.g.,
+  %   BIOS settings and date.
+  % AGP slot: for some graphic cards (legacy, nowadays PCI)
+  % PCI slots: attach various extension cards here (i.e., daughter boards),
+  %   e.g., network, audio, and graphic cards
+  \begin{columns}
+    \begin{column}{0.69\textwidth}
+      \centering\includegraphics[width=\textwidth]{img/motherboard}
+    \end{column}
+    \begin{column}{0.29\textwidth}
+      Contains at least:
+      \begin{itemize}
+        \item Processor slot
+        \item Memory slot
+        \item Connectors, e.g.,
+          \begin{itemize}
+            \item Power
+            \item SATA
+            \item SCSI
+            \item ...
+          \end{itemize}
+        \item Control circuits
+          \begin{itemize}
+            \item BIOS
+            \item Cache
+            \item ...
+          \end{itemize}
+      \end{itemize}
+    \end{column}
+  \end{columns}
+  \pause
+  \vfill
+  \centering\alert{What should you think about when you buy hardware?}
+  % BIOS: Basic Input Output System
+  %   - the first software to run when a computer is started
+  %   - identifies and configures hardware, e.g., hard drive, CPU, memory, etc.
+  %   - instructs the computer how to perform a number basic operations, e.g.,
+  %   controlling the keyboard and booting the OS.
+\end{frame}
+
+\begin{frame}
+  \frametitle{A newer motherboard: ASUS PRIME Z370-P \titlefloatright{Manual\footnote{%
+    \burl{https://www.asus.com/us/Motherboards/PRIME-Z370-P/HelpDesk\_Manual/}
+  }}}
+  \centering\includegraphics[height=0.85\textheight]{img/new-motherboard2}
+\end{frame}
+
+\begin{frame}
+  \frametitle{A newer motherboard continued}
+  \centering\includegraphics[height=0.85\textheight]{img/moderkort}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Expantion cards usually use PCI(e)\titlefloatright{`Instickskort'}}
+  \begin{columns}
+    \begin{column}{0.33\textwidth}
+      \hfill
+      \centering
+      % - It's common with 2000+ cores
+      % - It has its own dedicated RAM (e.g., 8GB)
+      % - Not so general purpose as a CPU, but it's good at what it does...
+      % - Fun with GPUs? Cryptocurrency mining and password cracking!
+      \alert{Graphics card} for complex math, geometry, and coloring
+        (`grafikkort')
+      \includegraphics[height=0.4\textheight]{img/graphics-card}
+      %\burl{https://www.techpowerup.com/img/16-12-20/917a7803f315.jpg}\\
+    \end{column}
+    \begin{column}{0.33\textwidth}
+      \hfill
+      \centering
+      \alert{Audio card} for enhanced sound experiences
+        (`ljudkort')
+      \includegraphics[height=0.4\textheight]{img/audio-card}
+      %\burl{https://images-na.ssl-images-amazon.com/images/I/411rdurQRkL.jpg}
+    \end{column}
+    \begin{column}{0.33\textwidth}
+      \hfill
+      \centering
+      % For special needs, e.g., WiFi or 10GBit/s Ethernet
+      \alert{Network card} for data exchange over a computer network
+        (`n\"{a}tverkskort')
+      \includegraphics[height=0.4\textheight]{img/network-card}
+    \end{column}
+  \end{columns}
+  \pause
+  \vspace{0.5cm}
+  \centering\alert{Is my office setup without graphics, sound, and Internet?!}
+\end{frame}
+
+\begin{frame}
+  \frametitle{A few common external connectors}
+  \begin{columns}
+    \begin{column}{0.49\textwidth}
+      \vbox to 0.8\textwidth{%
+        \centering
+        \alert{USB}\vspace{6pt}\\
+        \includegraphics[width=0.8\textwidth]{img/usb1}
+        \includegraphics[width=0.8\textwidth]{img/usb2}
+        %\burl{https://www.bhphotovideo.com/explora/amp/computers/tips-and-solutions/thunderbolt-3-usb-31-usb-type-c-making-sense-connections}
+        \vfill
+        External HDD and devices
+      }
+    \end{column}
+    \begin{column}{0.49\textwidth}
+      \vbox to 0.8\textwidth{%
+        \begin{columns}
+          \begin{column}{0.49\textwidth}
+            \centering\alert{HDMI}\vspace{6pt}\\
+            \includegraphics[height=0.3\textheight]{img/hdmi}
+          \end{column}
+          \begin{column}{0.49\textwidth}
+            \centering\alert{DP}\vspace{6pt}\\
+            \includegraphics[height=0.3\textheight]{img/dp}
+          \end{column}
+        \end{columns}
+        \centering\vfill
+        Mainly video and audio
+      }
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{You will find the same basic components in every computer---Raspberry Pi}
+  \begin{columns}
+    \begin{column}{0.69\textwidth}
+      \centering\includegraphics[height=0.8\textheight]{img/raspberrypi}\\
+      \burl{https://www.raspberrypi.org/}
+    \end{column}
+    \begin{column}{0.29\textwidth}
+      All components are embedded on a SoC:
+      \begin{itemize}
+        \item CPU
+        \item Memory
+        \item Connectors
+        \item Control circuits
+      \end{itemize}
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{You will find the same basic components in every computer---MBP}
+  \centering\includegraphics[height=0.8\textheight]{img/mbp}
+  \burl{https://www.ifixit.com/Teardown/MacBook+Pro+15-Inch+Touch+Bar+Teardown/73395}
+\end{frame}
+
+
+\begin{frame}
+  \frametitle{You will find the same basic components in every computer---iPhone}
+  \centering\includegraphics[height=0.8\textheight]{img/iphone}
+  \burl{https://www.ifixit.com/Teardown/iPhone+5s+Teardown/17383}
+\end{frame}
+
+\begin{frame}
+  \frametitle{In the labs you will (de)assemble a computer}
+  \begin{columns}
+    \begin{column}{0.59\textwidth}
+      \centering\includegraphics[width=\textwidth]{img/build-pc}
+      %\burl{https://cdn.fstoppers.com/styles/large-16-9/s3/lead/2017/05/best\_pc\_build\_for\_adobe\_premiere.jpg}
+    \end{column}
+    \begin{column}{0.39\textwidth}
+      \begin{itemize}
+        \item Be grounded
+        \item Be ``stern but fair''
+        \item Be careful with cables
+          \begin{itemize}
+            \item Jank? No...
+            \item Pull? Gently!
+            \item Wiggle? If you must!
+          \end{itemize}
+        \item Attach in the right direction
+        \item Avoid touching circuit boards
+        \item Ask if you need help
+      \end{itemize}
+    \end{column}
+  \end{columns}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Nervous? Prepare yourself by watching a computer being built}
+  \centering\includegraphics[height=0.8\textheight]{img/video}
+  \burl{https://www.youtube.com/watch?v=0bUghCx9iso}
+\end{frame}