Computer History
This man planned to use punch cards to program his hypothetical Analytical Engine.
Who is Charles Babbage?
This command tells LaTeX to compile a pdf document from a .tex file.
What is pdflatex?
A relative pathname starts relative to this directory.
What is the current working directory?
This Linux command lists the files and directories in the current working directory.
What is the ls command?
This Linux command removes files, and if the -r option is used, directories.
What is the rm command?
This technology would speed up Konrad Zuse's computer prototype.
What are vacuum tubes?
In a LaTeX file, anything on a line after this character will be ignored by the compiler.
What is the % (percent) character?
An absolute path always starts with this directory.
What is the root directory?
This Linux command will print the pathname of the current working directory to screen.
What is the pwd command?
Developed in Germany in the 1920s, this machine was an electro-mechanical rotor machine used for the encryption and decryption of secret messages.
What is the Enigma machine?
During WWII, Alan Turing worked for this organization at Bletchley Park, Britain’s codebreaking centre that produced Ultra intelligence.
What is the Government Code & Cypher School (GC & CS)?
In a LaTeX file, this command will insert the current date at compile time.
What is the \today command?
According to the directory image provided, this would be the absolute pathname used if your current working directory is ra and your target directory is bin.
What is /usr/bin?
This Linux command will create a new file or change the file time of an existing file.
What is the touch command?
In a LaTeX document, this command will generate a title using the given title, author, and date.
What is the \maketitle command?
The Open Source Definition was derived from these software guidelines.
What are the Debian Free Software Guidelines?
In the tabular environment of a LaTeX file, this symbol is used to separate individual cells (i.e. columns) in a row.
What is the ampersand (&) symbol?
According to the directory image provided, this is the relative pathname required if your current working directory is ra and your target directory is home.
What is .. (or ../)?
This Linux command will move/rename files and directories.
What is the mv command?
This Linux command allows the user to change file mode.
What is the chmod command?
Dorothy Vaughan and many of the former West Computers joined this new division at NASA, a racially and gender-integrated group on the frontier of computing.
What is the Analysis & Computation Division (ACD)?
In the tabular environment of a LaTeX file, this configuration would generate a table with three center aligned columns.
What is {c c c} tabular configuration?
According to the directory image provided, this is the relative pathname required if your current working directory is lib, and your target directory is ra.
What is ../../home/ra?
This Linux command will allow a user to run commands with a substitute user.
What is the su command?
This was the name given to a set of computers developed by British codebreakers between 1943 and 1945 used in cryptanalysis of the Lorenz cipher.
What is Colossus?