Tag: programming languages

Questions Related to programming languages

What is the default sort order in Perl?
technology programming languages

  1. alphabetic

  2. numeric

  3. ASCII

  4. none of the above

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Correct Option: C

Rather than using print, what is often used in Perl when formatting is important?

technology programming languages

  1. printf

  2. format

  3. align

  4. show

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Correct Option: A

Which of the following will call a subroutine named "mom"?
technology programming languages

  1. &mom

  2. $mom

  3. mom$

  4. %mom%

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Correct Option: A

Which operator can be used to create private variables within a subroutine?

technology programming languages

  1. native

  2. limited

  3. my

  4. regional

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Correct Option: C

Within a loop, which operator jumps to the end of the loop but does not exit the loop?

technology programming languages

  1. next

  2. last

  3. redo

  4. leave

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Correct Option: A

To convert a timestamp into a format more readable by a user, which function should you use?
technology programming languages

  1. bitwise

  2. localtime

  3. translate

  4. transform

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Correct Option: B

What value do variables have before they are first assigned?

technology programming languages

  1. undef

  2. null

  3. 0

  4. nil

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Correct Option: A

Which Perl function is used to change the name of a file?
technology programming languages

  1. nameas

  2. rename

  3. name

  4. now_known_as

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Correct Option: B

Which of the following commands should be used to open a filehandle named KAREN to an existing file named sw?
technology programming languages

  1. open KAREN ">sw";

  2. open KAREN, ">sw";

  3. open "sw" KAREN;

  4. open ">sw", KAREN;

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Correct Option: B

Which command should be used to close the filehandle KAREN?
technology programming languages

  1. close KAREN "sw";

  2. KAREN close;

  3. close KAREN;

  4. close &KAREN

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Correct Option: C