RewritingHEADmaster

4 files changed, 56 insertions, 42 deletions

diff --git a/notes/algorithms.tex b/notes/algorithms.tex
index 4801766..bffe1a9 100644
--- a/notes/algorithms.tex
+++ b/notes/algorithms.tex
@@ -91,11 +91,11 @@ of order so we would swap them. Here are some but not all steps on the
 original list $n$
 
 \begin{align*}
-    &n = \{2,6,4,7,8,3,9,0\} \mbox{ comparing 2 and 6} \\
-    &n = \{2,4,6,7,8,3,9,0\} \mbox{ comparing 6 and 4, \textit{swap}} \\
-    &n = \{2,4,6,7,8,3,9,0\} \mbox{ comparing 6 and 7} \\
-    &n = \{2,4,6,7,8,3,9,0\} \mbox{ comparing 7 and 8} \\
-    &n = \{2,4,6,7,3,8,9,0\} \mbox{ comparing 8 and 3, \textit{swap}} \\
+    &n = \{\color{red}2\color{black},\color{red}6\color{black},4,7,8,3,9,0\} \mbox{ comparing 2 and 6} \\
+    &n = \{2,\color{red}4\color{black},\color{red}6\color{black},7,8,3,9,0\} \mbox{ comparing 6 and 4, \textit{swap}} \\
+    &n = \{2,4,\color{red}6\color{black},\color{red}7\color{black},8,3,9,0\} \mbox{ comparing 6 and 7} \\
+    &n = \{2,4,6,\color{red}7\color{black},\color{red}8\color{black},3,9,0\} \mbox{ comparing 7 and 8} \\
+    &n = \{2,4,6,7,\color{red}3\color{black},\color{red}8\color{black},9,0\} \mbox{ comparing 8 and 3, \textit{swap}} \\
     &...
 \end{align*}
 
@@ -111,13 +111,15 @@ sequentially add the smaller value between the lists to the output
 
 \begin{align*}
     list\ 1  &&list\ 2  &&output\ list\\
-    \{1,3,5\}&&\{2,4,6\}&&\{\}       &&\mbox{}\\
-    \{3,5\}  &&\{2,4,6\}&&\{1\}      &&\mbox{Comparing 1 and 2, we start with 1}\\
-    \{3,5\}  &&\{4,6\}  &&\{1,2\}    &&\mbox{Comparing 3 and 2, we add 2}\\
-    \{5\}    &&\{4,6\}  &&\{1,2,3\}  &&\mbox{Comparing 3 and 4, we add 3}\\
-    \{5\}    &&\{6\}    &&\{1,2,3,4\}&&\mbox{Comparing 5 and 4, we add 4}\\
-    \{\}     &&\{6\}    &&\{1,2,3,4,5\}&&\mbox{Comparing 5 and 6, we add 5}\\
+    \{{\color{red}1},3,5\}&&\{{\color{red}2},4,6\}&&\{\}       &&\mbox{}\\
+    \{{\color{red}3},5\}  &&\{{\color{red}2},4,6\}&&\{1\}      &&\mbox{Comparing 1 and 2, we start with 1}\\
+    \{{\color{red}3},5\}  &&\{{\color{red}4},6\}  &&\{1,2\}    &&\mbox{Comparing 3 and 2, we add 2}\\
+    \{{\color{red}5}\}    &&\{{\color{red}4},6\}  &&\{1,2,3\}  &&\mbox{Comparing 3 and 4, we add 3}\\
+    \{{\color{red}5}\}    &&\{{\color{red}6}\}    &&\{1,2,3,4\}&&\mbox{Comparing 5 and 4, we add 4}\\
+    \{\}     &&\{{\color{red}6}\}    &&\{1,2,3,4,5\}&&\mbox{Comparing 5 and 6, we add 5}\\
     \{\}     &&\{\}     &&\{1,2,3,4,5,6\}&&\mbox{Comparing nothing and 6, we add 6}\\
+    \{\}     &&\{\}     &&\{1,2,3,4,5,6\}&&\mbox{Lists 1 \& 
+    2: we are finished}\\
 \end{align*}
 
 \section{Programming languages}
diff --git a/notes/cyber.tex b/notes/cyber.tex
index efa62ff..08b3f12 100644
--- a/notes/cyber.tex
+++ b/notes/cyber.tex
@@ -5,18 +5,19 @@ networks, and malicious threats and attacks that they are vulnerable
 to.
 
 \section{Threats}
-
-\begin{itemize}
-    \item \textit{Social engineering} involves exploiting people
+  \textit{Social engineering} involves exploiting people
         directly for access or information. \textit{Blagging} involves
         obtaining information through deception or impersonation, such
         as calling someone whilst posing as a friend.
-        \textit{Phishing} is posing as a legitimate organisation to
+
+  \noindent\textit{Phishing} is posing as a legitimate organisation to
         obtain personal information, generally through email.
-        \textit{Pharming} involves a bogus website that imitates a
+
+  \noindent\textit{Pharming} involves a bogus website that imitates a
         legitimate one. \textit{Shouldering} involves watching
         somebody enter their personal information.
-    \item \textit{Malicious code} is code written to do bad. A
+
+  \noindent\textit{Malicious code} is code written to do bad. A
         \textit{virus} does damage on a computer and spreads itself on
         a user's device over the internet. \textit{Spyware} is
         software that monitors, logs, and sends information to the
@@ -26,28 +27,34 @@ to.
         is designed to show the user advertisement and a
         \textit{Trojan} is any malware that poses as a legitimate
         software.
-    \item \textit{Weak passwords} or \textit{misconfigured access
+
+  \noindent\textit{Weak passwords} or \textit{misconfigured access
         rights} may allow an attacker easy access to unauthorised
         data. Access rights would normally restrict certain
         information from certain users.
-    \item \textit{Removable media} such as a DVD or USB flash drive is
-        a vector by which malware can easily spread, particularly when
-        distributed, such as at a public event.
-    \item Unpatched or outdated software may contain vulnerabilities,
-        as well as normal software with recently discovered
-        vulnerabilities which an attacker could exploit.
-\end{itemize}
+
+  \noindent\textit{Removable media} such as a DVD or USB flash drive is
+        a vector by which malware can spread, particularly when
+        distributed, such as at an event
+
+  \noindent\textbf{Unpatched or outdated} software may contain
+  widely known vulnerabilities, which an attacker could exploit.
 
 \section{Threat prevention}
 
-\subsection{MAC Address filtering}
+\subsection{MAC address filtering}
 
-A \textit{MAC Address} is unique to each device. Filtering MAC
-Addresses could mean only allowing authorised devices to connect to
-the network (\textit{whitelisting}) or blocking certain devices from a
-network (\textit{blacklisting}). However, this is bypassable through
-MAC address \textit{spoofing}, where a device can appear to have a MAC
-address other than its own.
+A \textit{media access control address} is unique to each device. Filtering MAC
+addresses could mean:
+\begin{itemize}
+    \item \textit{whitelisting}, or only allowing authorised devices
+    to connect to or
+    \item \textit{blacklisting} which is blocking certain devices from
+        a network.
+\end{itemize}
+However, this is bypassable through MAC address \textit{spoofing},
+    where a device can appear to have a MAC address other than its
+    own.
 
 \subsection{Firewall}
 
@@ -62,8 +69,8 @@ most common form of this is through a username and password. It can
 also be through physical objects such as cards (such as credit card)
 and through biometric methods such as fingerprints.
 
-CAPTCHA (tests that determine if a user is a human, such as by typing
-in a word in strange font) and e-mail verification (where the user
+CAPTCHA (tests that determine if a user is a human)
+and e-mail verification (where the user
 must respond to an e-mail only they could have received) can also be
 used as authentication and to ensure that the user is human and not an
 automated attack.
diff --git a/notes/data-rep.tex b/notes/data-rep.tex
index f2f5ef4..7e93d0b 100644
--- a/notes/data-rep.tex
+++ b/notes/data-rep.tex
@@ -2,9 +2,9 @@
 
 \section{Metadata}
 
-Metadata means data about data. It is the information stored in a file
-that is not part of the main information, but instead important
-properties and data of the file, such as the author name of a PDF
+Metadata is data about data: it is information stored in a file
+that is not part of the main data, but instead 
+properties important to file, such as the author name of a PDF
 document. Although we do not take it into account when calculating
 file size, it is important to realise that in the real world, it would
 be there.
@@ -188,8 +188,11 @@ the sting would be $7\times 10 = 70\ bits$ (as there are 10
 characters).
 
 Using the Huffman tree we have generated we can encode $repetitive$ as 
-\begin{align*}
-    0100000101001110111001100
-\end{align*}
+
+
+\noindent\hspace*{0.3\textwidth}\texttt{0100000101001110111001100}\\
+        \hspace*{0.3\textwidth}\texttt{r\ \ \ e\ p\ \ \ e\ t\ i\ t\ i\ v\ \ e\ }
+
+
 This uses $25\ bits$, which is a $(70-25)\div(70)\times 100 \approx
 64.3\%$ saving.
diff --git a/notes/paper.tex b/notes/paper.tex
index b28234a..ed2d119 100644
--- a/notes/paper.tex
+++ b/notes/paper.tex
@@ -25,6 +25,8 @@ top=0.5in, bottom=0.8in ]{geometry}
 \defaultfontfeatures{LetterSpace=1.05}
 \setmainfont{Sabon}
 
+\usepackage{xcolor}
+
 \ctikzset{resistor = european}
 
 \usetikzlibrary{calc,shapes.geometric,shapes.gates.logic.US,arrows}
@@ -52,13 +54,13 @@ top=0.5in, bottom=0.8in ]{geometry}
 
 \titleformat{\section}{\large}{}{0em}{}
 \titleformat{\subsection}{\bfseries}{}{0em}{}
-\titleformat{\chapter}{\vspace{-2cm}\tt\huge\itshape}{\thechapter:}{5mm}{}
+\titleformat{\chapter}{\vspace{-2cm}\tt\LARGE\itshape}{\thechapter:}{5mm}{}
 
 \begin{document}
 \begin{titlepage}
     \vspace*{4cm}
 
-    \noindent\fontsize{1.30cm}{1cm}\selectfont
+    \noindent\fontsize{1.00cm}{0.80cm}\selectfont
     \texttt{\textit{Computer Science}}
 
     \vspace{2cm}