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Underscore: Quiz

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Question 1: Early ________ systems (and early personal computers in general) provided linkage models where external identifiers were limited to a short length, often as few as the initial eight characters.
AWKGNU Core UtilitiesMan pageUnix

Question 2: However, by the late 1960s the ________ character set standard had been established, allowing the designers of the C language to adopt the underscore character "_" as a word joiner.
ISO/IEC 8859-1ASCIICode page 437Windows-1252

Question 3: The underscore [ _ ] (also called understrike, low line, or low dash) is a character that originally appeared on the ________ and was primarily used to underline words.
E. Remington and SonsBlickensderfer typewriterIBM Selectric typewriterTypewriter

Question 4: The underscore is used as a diacritic mark, "combining low line", in some African and ________.
Classification of indigenous peoples of the AmericasArchaeology of the AmericasPre-Columbian eraIndigenous languages of the Americas

Question 5: Ruby and ________ use $_ as a special variable described as the "default input and pattern matching space" - any output defaults to that variable, and may be omitted.
PerlLua (programming language)PHPPython (programming language)

Question 6: It is also sometimes used to create a horizontal line, if no other method is available; hyphens and ________ are often used for a similar purpose.
Quotation markDashTypographyPrime (symbol)

Question 7: On the standard US or UK 101/102 ________ it shares a key with the hyphen on the top row, to the right of the 0 key.
Keyboard (computing)Shift keyControl keyAlt key

Question 8: It is often used in ________-only media (E-mail, IRC, Instant Messaging) for this purpose.
Code page 437ASCIIWindows-1252ISO/IEC 8859-1







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