Correct Answer : Option (B) : Larry Wall
Explanation : In December 1987 American programmer and linguist Larry Wall first released Perl 1.0 for computers running the UNIX operating system.
Correct Answer : Option (D) : December 1987
Explanation : Perl was developed by Larry Wall in December 1987 as a general-purpose Unix scripting language to make report processing easier.
Correct Answer : Option (C) : Scalar
Correct Answer : Option (C) : Boolean
Explanation : Boolean context is simply any place where an expression is being evaluated
Correct Answer : Option (A) : join EXPR, LIST
Explanation : This function joins the separate strings of LIST into a single string with fields separated by the value of EXPR, and returns the string.
Correct Answer : Option (B) : getc
Explanation : The getc function returns a single character from the specified FILEHANDLE, or STDIN if none is specified.
Correct Answer : Option (A) : local
Explanation : The local is used when the current value of a variable must be visible to called subroutines.
Correct Answer : Option (D) : ->
Explanation : -> − The arrow operator is mostly used in dereferencing a method or variable from an object or a class name.
->
Correct Answer : Option (C) : q{ }
Explanation : q{ } − Encloses a string with-in single quotes.
q{ }
Correct Answer : Option (B) : keys
Explanation : keys − You can get a list of all of the keys from a hash by using keys function.