Following quiz provides Multiple Choice Questions (MCQs) related to Perl. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Which of the following interpolates variables and special characters in Perl?
Only double quotes interpolate variables and special characters such as newlines
, where as single quote does not interpolate any variable or special character.
Q 2 - Which of the following special variable represents current package name?
splice @ARRAY, OFFSET [ , LENGTH [ , LIST ] ] - This function will remove the elements of @ARRAY designated by OFFSET and LENGTH, and replaces them with LIST, if specified. Finally, it returns the elements removed from the array.
Q 4 - How will you add a new key/value pair to a hash?
== − Checks if the value of two operands are equal or not, if yes then condition becomes true.
Q 6 - Which of the following operator checks if the value of left operand is greater than or equal to the value of right operand, if yes then condition becomes true?
Parameters can be acessed inside the function using the special array @_. Thus the first argument to the function is in $_[0], the second is in $_[1], and so on.
Q 9 - Which of the following is true about Perl references?
close − To close a filehandle, and therefore disassociate the filehandle from the corresponding file, you use the close function. This flushes the filehandle's buffers and closes the system's file descriptor.
