ICEAS | DEPT OF CS&E
TECHNICAL WRITING USING LATEX
VIVA VOCE — 50 ANSWERED QUESTIONS
A four-part hero-themed companion to BCSL456D
Cyberpunk · Green Lantern · Batman · Flash · Superman
Cyberpunk · Green Lantern · Batman · Flash · Superman
CYBER
PUNK
PUNK
GREEN
LANTERN
LANTERN
BATMAN
FLASH
SUPERMAN
Q1
What does the command \documentclass{article} do in LaTeX?
It specifies the
article document class, which is the top-level template LaTeX uses to lay out the document. The article class is commonly used for short documents such as articles, reports, and papers — it defines available sectioning commands, default fonts, and page geometry.Q2
What is the purpose of the command \usepackage{graphicx} in LaTeX?
It loads the
graphicx package, which enables inclusion of images in the document through the \includegraphics command (used to insert logos, figures, and pictures with control over their width/scale).Q3
What does the command \textbf{ } do in LaTeX?
It renders the enclosed text in bold font weight. It is frequently combined with size commands like
\LARGE\textbf{...} to create bold, large headings on title pages and certificates.Q4
What is the purpose of the command \tableofcontents in LaTeX?
It automatically generates the table of contents based on the chapters and sections defined in the document. Note: it typically needs the document to be compiled (Quick Build) twice for the contents/page numbers to appear correctly.
Q5
What does the command \begin{center} do in LaTeX?
It centers the following content horizontally within the page — commonly used for titles, headings, and logos on cover and certificate pages.
Q6
What is the purpose of the command \maketitle in LaTeX?
It generates the title page using the values previously specified in
\title{}, \author{}, and \date{}, producing a formatted title block at the top of the document.Q7
What is the purpose of the command \pagestyle{ } in LaTeX?
It sets the page style (e.g.
\pagestyle{fancy}) which enables customization of headers and footers via the fancyhdr package. Without setting the page style, custom headers and footers will not be visible.Q8
What does the command \section{ } do in LaTeX?
It starts a new, automatically numbered section with the given title (e.g.
\section{Section 1}). Using \section*{ } instead creates an unnumbered section.Q9
What does the command \cite{ } do in LaTeX?
It inserts a citation into the document by referencing a key defined in the bibliography database (a
.bib file). LaTeX looks up the key and formats the citation according to the specified bibliography style (e.g. IEEEtran).Q10
What is the purpose of the command \caption{ } in LaTeX?
It generates a caption/label for a figure, table, or algorithm float, describing its content (e.g.
\caption{Euclid's Algorithm}).Q11
What is the purpose of the command \subsection{ } in LaTeX?
It creates a numbered sub-heading nested one level below
\section{}, used to further break down content within a section (e.g. Section 1.1, 1.2, etc.).Q12
What is the purpose of the command \begin{tabular} in LaTeX?
It starts a table environment used to create structured tables. The column specification (e.g.
{|c|c|c|c|c|c|}) defines alignment (centered here) and vertical border lines for each column.Q13
What is LaTeX?
LaTeX is a document preparation/typesetting system built on top of TeX, widely used for producing professional technical and scientific documents — including complex tables, figures, theorems, mathematical equations, citations, and bibliographies — with consistent, high-quality formatting.
Q14
How does LaTeX differ from a word processor like Microsoft Word?
LaTeX is a markup-based typesetting system: you write plain-text source code with formatting commands, then compile it to produce the final output (usually PDF) — separating content from presentation. Word is a WYSIWYG ("what you see is what you get") editor where formatting is applied directly and visually in real time. LaTeX offers superior handling of complex math, cross-referencing, and large structured documents; Word offers more immediate visual feedback and ease for casual users.
Q15
Explain the concept of markup language and typesetting.
A markup language uses tags/commands embedded in plain text to describe the structure and formatting of content (e.g.
\section{}, \textbf{}) rather than applying formatting visually. Typesetting is the process of arranging that marked-up text into a properly formatted final document — controlling fonts, spacing, alignment, and layout — which the LaTeX compiler performs when it processes the source into a PDF.Q16
Describe the basic structure of a LaTeX document.
A LaTeX document has two main parts: the preamble (before
\begin{document}), which sets the document class and loads packages, and the body (between \begin{document} and \end{document}), which contains the actual content — sections, text, tables, figures, equations, etc.Q17
What are the components of a LaTeX document preamble?
The preamble typically includes: the
\documentclass{} declaration (e.g. article, report), any \usepackage{} statements to load required packages (graphicx, fancyhdr, amsmath, etc.), and optional metadata commands such as \title{}, \author{}, and \date{}.Q18
How do you start a new section or chapter in LaTeX?
Use
\section{Title} for a section (in the article class) or \chapter{Title} for a chapter (in the report/book class). Both are automatically numbered unless the starred form (\section*{}, \chapter*{}) is used.Q19
How do you change the font style and size in LaTeX?
Style commands like
\textbf{} (bold) and \textit{} change the font weight/shape. Size can be changed using relative size commands such as \large, \Large, and \LARGE (increasing sizes), applied either as a declaration or wrapped in an environment like \begin{Large}...\end{Large}.Q20
How do you insert figures and graphics into a LaTeX document?
Load the
graphicx package with \usepackage{graphicx}, then use \includegraphics[width=0.3\textwidth]{filename.jpg} to insert an image, specifying its width relative to the text width for proper scaling.Q21
Explain how to manage citations and bibliographies in LaTeX.
Citations are added in the text with
\cite{key}, referencing entries stored in a separate .bib file (e.g. ref.bib) containing structured entries like @ARTICLE{} or @misc{}. The bibliography style is set with \bibliographystyle{IEEEtran} and the database is linked using \bibliography{ref}. The document must be compiled with PDFLaTeX, then BibTeX, then PDFLaTeX again to correctly generate the numbered reference list.Q22
What is \usepackage{fancyhdr}
It imports the
fancyhdr package, which allows customization of headers and footers in the document (used together with \pagestyle{fancy}, \chead{}, and \cfoot{}).Q23
What is \usepackage{lipsum}
It imports the
lipsum package, which provides commands (like \lipsum[1]) to generate "Lorem Ipsum" dummy text — useful for testing layouts and formatting without writing actual content.Q24
What is \pagestyle{fancy}
It sets the page style to "fancy," enabling customization of headers and footers using the
fancyhdr package. Without it, custom header/footer content will not be visible on the page.Q25
What is \fancyhf{}
\fancyhf is a merge of \fancyhead and \fancyfoot, hence the name — calling it with empty braces clears all existing header and footer fields so new ones (like \chead{}, \cfoot{}) can be defined cleanly.Q26
What is \chead
\chead{} sets the center part of the page header to display the specified text (e.g. \chead{Document on Dummy Text}), used within the fancyhdr page style.Q27
What is \cfoot
\cfoot{} sets the center part of the page footer — commonly used to display an institute name alongside the page number, e.g. \cfoot{ICEAS \hspace{10.5cm} \thepage}.Q28
What is \documentclass[12pt]{article}
This specifies the document class as
article (suitable for short documents like papers/reports) with the optional argument 12pt, which sets the base font size of the document to 12 points.Q29
What is \begin{abstract}
This starts the
abstract environment, a special LaTeX environment used to typeset a summary/abstract for a document, typically displayed with a centered "Abstract" heading and indented body text.Q30
What is \usepackage{setspace}?
It imports the
setspace package, which provides commands for controlling line spacing (e.g. single, one-and-a-half, or double spacing) within the document.Q31
What is \usepackage{titlesec}?
It imports the
titlesec package, which allows customization of the formatting and appearance of section/chapter title headings.Q32
What is \usepackage{color}?
It imports the
color package, which allows the use of colored text via the \color{} command (e.g. {\color{red}\LARGE\textbf{Title of the Project}}).Q33
What are LARGE Large large?
These are LaTeX's built-in relative font-size declarations, ordered from smallest to largest as used here:
\large < \Large < \LARGE. Each increases the text size relative to the document's base font size and is commonly applied to headings on title and certificate pages.Q34
What is \textbf?
\textbf{text} renders the enclosed text in bold face — used extensively for headings, labels, and emphasis on titles, certificates, and table headers.Q35
What are \vspace \hspace \center?
\vspace{} inserts vertical spacing (e.g. \vspace{0.5cm}) between elements; \hspace{} inserts horizontal spacing (e.g. to separate signature lines); the center environment (\begin{center}...\end{center}) horizontally centers its enclosed content on the page.Q36
What are \includegraphics and \textwidth
\includegraphics[width=0.3\textwidth]{file.jpg} inserts an image (requires the graphicx package) and scales it to the given width. \textwidth is the width of the text block on the page; specifying image width as a fraction of it (e.g. 0.3\textwidth = 30%) keeps images proportionally sized regardless of paper/margin settings.Q37
What is ragged2e?
ragged2e is a package that provides enhanced commands for justifying and ragged-aligning text, most notably the \justify command, offering better control and hyphenation than the plain-LaTeX raggedright/raggedleft commands.Q38
What is \justify ?
\justify (provided by the ragged2e package) switches the text alignment to fully justified, meaning both the left and right edges of the paragraph are aligned flush, as used for body/keyword text in reports.Q39
What is the use of \\
\\ forces a line break within a paragraph or centered block, starting new content on the next line without beginning a new paragraph — heavily used on title and certificate pages to control line-by-line layout.Q40
What are \usepackage{geometry} and \usepackage{multirow}
geometry is used to control the page layout, letting you set custom margins (e.g. [left=2cm,right=2cm,top=2cm,bottom=2cm]). multirow provides commands to span table cells across multiple rows, useful for building complex tables.Q41
What are \begin{tabular} and multicolumn?
\begin{tabular}{spec} starts a table with the given column alignment/border specification. \multicolumn{n}{align}{content} merges n columns into a single cell with the given alignment — e.g. \multicolumn{3}{c|}{Marks} spans 3 columns under one "Marks" heading.Q42
What is the use of & in tabular?
The ampersand
& is the column separator inside a tabular environment — it marks the boundary between one cell's content and the next within a row.Q43
Explain standalone, tikz and graphs.standard
\documentclass{standalone} is used to create standalone graphics/figures without needing a full document setup — the output is cropped tightly to the figure. tikz is a powerful package for creating graphics programmatically within LaTeX. graphs.standard is a TikZ library that provides standard graph-drawing utilities, such as generating complete graphs with the subgraph K_n syntax.Q44
Explain tikzpicture
\begin{tikzpicture}...\end{tikzpicture} starts a TikZ drawing environment, inside which graphics elements (nodes, edges, shapes, graphs) are defined and rendered using TikZ's drawing commands.Q45
Explain \usepackage{amsmath,nccmath}
amsmath (American Mathematical Society Mathematics) provides extensive support for typesetting complex mathematical expressions and equations. nccmath (New Century Schoolbook Math) offers additional math environments and enhancements, generally used alongside amsmath for a broader range of formatting features.Q46
What is fleqn?
fleqn is an environment/option that left-aligns displayed equations (instead of the default centered alignment), useful for presenting step-by-step derivations flush to the left margin.Q47
Explain \usepackage{amsthm}, \newtheorem{theorem} and \newtheorem{definition}
amsthm is used for typesetting mathematical theorems, definitions, lemmas, and corollaries with enhanced formatting and numbering. \newtheorem{theorem}{Theorem}[section] defines a numbered theorem environment tied to the section counter (e.g. Theorem 1.1). \newtheorem{definition}[theorem]{Definition} defines a definition environment that shares the same numbering sequence as theorem, so they number consecutively within each section.Q48
Explain \bibliographystyle{IEEEtran} and \bibliography{ref}
\bibliographystyle{IEEEtran} sets the bibliography formatting style to IEEEtran, a popular IEEE style used in engineering/CS documents, governing how citations are numbered and how bibliography entries are formatted. \bibliography{ref} specifies the bibliography database file (ref.bib) containing all referenced entries.Q49
Explain \label
\label{} assigns a unique identifying tag to an element (section, figure, table, equation) so it can later be referenced elsewhere in the document using \ref{}, allowing automatic, updateable cross-references and numbering.Q50
What are \title \author \date
These three commands are used in the preamble to define the metadata for a document's title page:
\title{Sample Report} defines the title text, \author{John Doe} defines the author's name, and \date{\today} defines the date (using \today to auto-insert the current compilation date). Together they are used by the \maketitle command to generate the formatted title block.— END OF VIVA FILE —
All 50 answers compiled from BCSL456D Lab Manual, ICEAS